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Finding the Fourth Proportional to 366,930.98, 506,420.10 and 223,774.06

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Solution

The fourth proportional to 366,930.98, 506,420.10 and 223,774.06 is: 308,841.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,930.98 : 506,420.10 = 223,774.06 : x
  2. Step 2: Convert to fraction form
    366,930.98/506,420.10 = 223,774.06/x
  3. Step 3: Cross multiply
    366,930.98x = 506,420.10 × 223,774.06
  4. Step 4: Simplify right side
    366,930.98x = 113,323,681,842.61
  5. Step 5: Solve for x
    x = 113,323,681,842.61/366,930.98
  6. Step 6: Final answer
    x = 308,841.96

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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.