Home / 347,916.10-522,046.95-137,560.90

Finding the Fourth Proportional to 347,916.10, 522,046.95 and 137,560.90

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Solution

The fourth proportional to 347,916.10, 522,046.95 and 137,560.90 is: 206,409.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,916.10 : 522,046.95 = 137,560.90 : x
  2. Step 2: Convert to fraction form
    347,916.10/522,046.95 = 137,560.90/x
  3. Step 3: Cross multiply
    347,916.10x = 522,046.95 × 137,560.90
  4. Step 4: Simplify right side
    347,916.10x = 71,813,248,284.26
  5. Step 5: Solve for x
    x = 71,813,248,284.26/347,916.10
  6. Step 6: Final answer
    x = 206,409.67

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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.