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Finding the Fourth Proportional to 309,250.65, 426,971.48 and 237,502.47

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Solution

The fourth proportional to 309,250.65, 426,971.48 and 237,502.47 is: 327,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,250.65 : 426,971.48 = 237,502.47 : x
  2. Step 2: Convert to fraction form
    309,250.65/426,971.48 = 237,502.47/x
  3. Step 3: Cross multiply
    309,250.65x = 426,971.48 × 237,502.47
  4. Step 4: Simplify right side
    309,250.65x = 101,406,779,932.04
  5. Step 5: Solve for x
    x = 101,406,779,932.04/309,250.65
  6. Step 6: Final answer
    x = 327,911.29

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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.