Home / 272,626.15-408,907.93-72,962.11

Finding the Fourth Proportional to 272,626.15, 408,907.93 and 72,962.11

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Solution

The fourth proportional to 272,626.15, 408,907.93 and 72,962.11 is: 109,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,626.15 : 408,907.93 = 72,962.11 : x
  2. Step 2: Convert to fraction form
    272,626.15/408,907.93 = 72,962.11/x
  3. Step 3: Cross multiply
    272,626.15x = 408,907.93 × 72,962.11
  4. Step 4: Simplify right side
    272,626.15x = 29,834,785,368.53
  5. Step 5: Solve for x
    x = 29,834,785,368.53/272,626.15
  6. Step 6: Final answer
    x = 109,434.79

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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.