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Finding the Fourth Proportional to 528,024.32, 791,774.44 and 168,148.27

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Solution

The fourth proportional to 528,024.32, 791,774.44 and 168,148.27 is: 252,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,024.32 : 791,774.44 = 168,148.27 : x
  2. Step 2: Convert to fraction form
    528,024.32/791,774.44 = 168,148.27/x
  3. Step 3: Cross multiply
    528,024.32x = 791,774.44 × 168,148.27
  4. Step 4: Simplify right side
    528,024.32x = 133,135,502,316.22
  5. Step 5: Solve for x
    x = 133,135,502,316.22/528,024.32
  6. Step 6: Final answer
    x = 252,138.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.