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Finding the Fourth Proportional to 438,234, 604,764 and 237,030

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Solution

The fourth proportional to 438,234, 604,764 and 237,030 is: 327,101.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,234 : 604,764 = 237,030 : x
  2. Step 2: Convert to fraction form
    438,234/604,764 = 237,030/x
  3. Step 3: Cross multiply
    438,234x = 604,764 × 237,030
  4. Step 4: Simplify right side
    438,234x = 143,347,210,920
  5. Step 5: Solve for x
    x = 143,347,210,920/438,234
  6. Step 6: Final answer
    x = 327,101.98

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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.