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Finding the Fourth Proportional to 307,009.77, 460,563.90 and 129,542.92

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Solution

The fourth proportional to 307,009.77, 460,563.90 and 129,542.92 is: 194,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,009.77 : 460,563.90 = 129,542.92 : x
  2. Step 2: Convert to fraction form
    307,009.77/460,563.90 = 129,542.92/x
  3. Step 3: Cross multiply
    307,009.77x = 460,563.90 × 129,542.92
  4. Step 4: Simplify right side
    307,009.77x = 59,662,792,475.07
  5. Step 5: Solve for x
    x = 59,662,792,475.07/307,009.77
  6. Step 6: Final answer
    x = 194,335.16

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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.