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Finding the Fourth Proportional to 432,595.53, 596,978.42 and 251,413.52

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Solution

The fourth proportional to 432,595.53, 596,978.42 and 251,413.52 is: 346,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,595.53 : 596,978.42 = 251,413.52 : x
  2. Step 2: Convert to fraction form
    432,595.53/596,978.42 = 251,413.52/x
  3. Step 3: Cross multiply
    432,595.53x = 596,978.42 × 251,413.52
  4. Step 4: Simplify right side
    432,595.53x = 150,088,441,694.28
  5. Step 5: Solve for x
    x = 150,088,441,694.28/432,595.53
  6. Step 6: Final answer
    x = 346,948.67

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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.