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Finding the Fourth Proportional to 637,765.32, 956,315.64 and 238,077.36

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Solution

The fourth proportional to 637,765.32, 956,315.64 and 238,077.36 is: 356,991.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,765.32 : 956,315.64 = 238,077.36 : x
  2. Step 2: Convert to fraction form
    637,765.32/956,315.64 = 238,077.36/x
  3. Step 3: Cross multiply
    637,765.32x = 956,315.64 × 238,077.36
  4. Step 4: Simplify right side
    637,765.32x = 227,677,102,897.91
  5. Step 5: Solve for x
    x = 227,677,102,897.91/637,765.32
  6. Step 6: Final answer
    x = 356,991.98

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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.