Home / 434,330.20-651,495.30-372,122.20

Finding the Fourth Proportional to 434,330.20, 651,495.30 and 372,122.20

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Solution

The fourth proportional to 434,330.20, 651,495.30 and 372,122.20 is: 558,183.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,330.20 : 651,495.30 = 372,122.20 : x
  2. Step 2: Convert to fraction form
    434,330.20/651,495.30 = 372,122.20/x
  3. Step 3: Cross multiply
    434,330.20x = 651,495.30 × 372,122.20
  4. Step 4: Simplify right side
    434,330.20x = 242,435,864,325.66
  5. Step 5: Solve for x
    x = 242,435,864,325.66/434,330.20
  6. Step 6: Final answer
    x = 558,183.30

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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.