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Finding the Fourth Proportional to 431,345.65, 595,259.37 and 250,165.02

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Solution

The fourth proportional to 431,345.65, 595,259.37 and 250,165.02 is: 345,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,345.65 : 595,259.37 = 250,165.02 : x
  2. Step 2: Convert to fraction form
    431,345.65/595,259.37 = 250,165.02/x
  3. Step 3: Cross multiply
    431,345.65x = 595,259.37 × 250,165.02
  4. Step 4: Simplify right side
    431,345.65x = 148,913,072,201.24
  5. Step 5: Solve for x
    x = 148,913,072,201.24/431,345.65
  6. Step 6: Final answer
    x = 345,229.10

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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.