Home / 434,552.10-651,803.85-135,030.30

Finding the Fourth Proportional to 434,552.10, 651,803.85 and 135,030.30

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Solution

The fourth proportional to 434,552.10, 651,803.85 and 135,030.30 is: 202,537.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,552.10 : 651,803.85 = 135,030.30 : x
  2. Step 2: Convert to fraction form
    434,552.10/651,803.85 = 135,030.30/x
  3. Step 3: Cross multiply
    434,552.10x = 651,803.85 × 135,030.30
  4. Step 4: Simplify right side
    434,552.10x = 88,013,269,406.66
  5. Step 5: Solve for x
    x = 88,013,269,406.66/434,552.10
  6. Step 6: Final answer
    x = 202,537.90

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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.