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Finding the Fourth Proportional to 414,492.13, 571,999.13 and 235,644.13

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Solution

The fourth proportional to 414,492.13, 571,999.13 and 235,644.13 is: 325,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,492.13 : 571,999.13 = 235,644.13 : x
  2. Step 2: Convert to fraction form
    414,492.13/571,999.13 = 235,644.13/x
  3. Step 3: Cross multiply
    414,492.13x = 571,999.13 × 235,644.13
  4. Step 4: Simplify right side
    414,492.13x = 134,788,237,349.61
  5. Step 5: Solve for x
    x = 134,788,237,349.61/414,492.13
  6. Step 6: Final answer
    x = 325,188.89

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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.