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Finding the Fourth Proportional to 240,058, 331,280.58 and 144,568.72

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Solution

The fourth proportional to 240,058, 331,280.58 and 144,568.72 is: 199,505.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,058 : 331,280.58 = 144,568.72 : x
  2. Step 2: Convert to fraction form
    240,058/331,280.58 = 144,568.72/x
  3. Step 3: Cross multiply
    240,058x = 331,280.58 × 144,568.72
  4. Step 4: Simplify right side
    240,058x = 47,892,809,411.46
  5. Step 5: Solve for x
    x = 47,892,809,411.46/240,058
  6. Step 6: Final answer
    x = 199,505.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.