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Finding the Fourth Proportional to 460,038.70, 690,058.05 and 144,495.10

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Solution

The fourth proportional to 460,038.70, 690,058.05 and 144,495.10 is: 216,742.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,038.70 : 690,058.05 = 144,495.10 : x
  2. Step 2: Convert to fraction form
    460,038.70/690,058.05 = 144,495.10/x
  3. Step 3: Cross multiply
    460,038.70x = 690,058.05 × 144,495.10
  4. Step 4: Simplify right side
    460,038.70x = 99,710,006,940.56
  5. Step 5: Solve for x
    x = 99,710,006,940.56/460,038.70
  6. Step 6: Final answer
    x = 216,742.65

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.