Home / 434,230.39-651,314.38-134,703.20

Finding the Fourth Proportional to 434,230.39, 651,314.38 and 134,703.20

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Solution

The fourth proportional to 434,230.39, 651,314.38 and 134,703.20 is: 202,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,230.39 : 651,314.38 = 134,703.20 : x
  2. Step 2: Convert to fraction form
    434,230.39/651,314.38 = 134,703.20/x
  3. Step 3: Cross multiply
    434,230.39x = 651,314.38 × 134,703.20
  4. Step 4: Simplify right side
    434,230.39x = 87,734,131,192.02
  5. Step 5: Solve for x
    x = 87,734,131,192.02/434,230.39
  6. Step 6: Final answer
    x = 202,045.12

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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.