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Finding the Fourth Proportional to 292,534, 438,801 and 70,918

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Solution

The fourth proportional to 292,534, 438,801 and 70,918 is: 106,377

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,534 : 438,801 = 70,918 : x
  2. Step 2: Convert to fraction form
    292,534/438,801 = 70,918/x
  3. Step 3: Cross multiply
    292,534x = 438,801 × 70,918
  4. Step 4: Simplify right side
    292,534x = 31,118,889,318
  5. Step 5: Solve for x
    x = 31,118,889,318/292,534
  6. Step 6: Final answer
    x = 106,377

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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.