Home / 434,400.90-651,601.35-134,879.10

Finding the Fourth Proportional to 434,400.90, 651,601.35 and 134,879.10

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Solution

The fourth proportional to 434,400.90, 651,601.35 and 134,879.10 is: 202,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,400.90 : 651,601.35 = 134,879.10 : x
  2. Step 2: Convert to fraction form
    434,400.90/651,601.35 = 134,879.10/x
  3. Step 3: Cross multiply
    434,400.90x = 651,601.35 × 134,879.10
  4. Step 4: Simplify right side
    434,400.90x = 87,887,403,646.79
  5. Step 5: Solve for x
    x = 87,887,403,646.79/434,400.90
  6. Step 6: Final answer
    x = 202,318.65

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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.