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Finding the Fourth Proportional to 425,125.65, 637,670.03 and 158,888.46

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Solution

The fourth proportional to 425,125.65, 637,670.03 and 158,888.46 is: 238,325.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,125.65 : 637,670.03 = 158,888.46 : x
  2. Step 2: Convert to fraction form
    425,125.65/637,670.03 = 158,888.46/x
  3. Step 3: Cross multiply
    425,125.65x = 637,670.03 × 158,888.46
  4. Step 4: Simplify right side
    425,125.65x = 101,318,408,260.41
  5. Step 5: Solve for x
    x = 101,318,408,260.41/425,125.65
  6. Step 6: Final answer
    x = 238,325.79

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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.