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Finding the Fourth Proportional to 460,301.03, 690,450.18 and 207,285.28

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Solution

The fourth proportional to 460,301.03, 690,450.18 and 207,285.28 is: 310,927.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,301.03 : 690,450.18 = 207,285.28 : x
  2. Step 2: Convert to fraction form
    460,301.03/690,450.18 = 207,285.28/x
  3. Step 3: Cross multiply
    460,301.03x = 690,450.18 × 207,285.28
  4. Step 4: Simplify right side
    460,301.03x = 143,120,156,383.91
  5. Step 5: Solve for x
    x = 143,120,156,383.91/460,301.03
  6. Step 6: Final answer
    x = 310,927.30

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1.5x scale

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.