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Finding the Fourth Proportional to 431,305.12, 595,210.98 and 240,330.16

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Solution

The fourth proportional to 431,305.12, 595,210.98 and 240,330.16 is: 331,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,305.12 : 595,210.98 = 240,330.16 : x
  2. Step 2: Convert to fraction form
    431,305.12/595,210.98 = 240,330.16/x
  3. Step 3: Cross multiply
    431,305.12x = 595,210.98 × 240,330.16
  4. Step 4: Simplify right side
    431,305.12x = 143,047,150,057.16
  5. Step 5: Solve for x
    x = 143,047,150,057.16/431,305.12
  6. Step 6: Final answer
    x = 331,661.15

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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.