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Finding the Fourth Proportional to 546,877.08, 754,688.88 and 305,157

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Solution

The fourth proportional to 546,877.08, 754,688.88 and 305,157 is: 421,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,877.08 : 754,688.88 = 305,157 : x
  2. Step 2: Convert to fraction form
    546,877.08/754,688.88 = 305,157/x
  3. Step 3: Cross multiply
    546,877.08x = 754,688.88 × 305,157
  4. Step 4: Simplify right side
    546,877.08x = 230,298,594,554.16
  5. Step 5: Solve for x
    x = 230,298,594,554.16/546,877.08
  6. Step 6: Final answer
    x = 421,115.83

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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.