Home / 272,279.46-408,438.63-72,598.80

Finding the Fourth Proportional to 272,279.46, 408,438.63 and 72,598.80

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Solution

The fourth proportional to 272,279.46, 408,438.63 and 72,598.80 is: 108,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,279.46 : 408,438.63 = 72,598.80 : x
  2. Step 2: Convert to fraction form
    272,279.46/408,438.63 = 72,598.80/x
  3. Step 3: Cross multiply
    272,279.46x = 408,438.63 × 72,598.80
  4. Step 4: Simplify right side
    272,279.46x = 29,652,154,411.64
  5. Step 5: Solve for x
    x = 29,652,154,411.64/272,279.46
  6. Step 6: Final answer
    x = 108,903.38

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1.5x scale

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.