Home / 208,153.04-312,230.36-50,381.28

Finding the Fourth Proportional to 208,153.04, 312,230.36 and 50,381.28

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Solution

The fourth proportional to 208,153.04, 312,230.36 and 50,381.28 is: 75,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,153.04 : 312,230.36 = 50,381.28 : x
  2. Step 2: Convert to fraction form
    208,153.04/312,230.36 = 50,381.28/x
  3. Step 3: Cross multiply
    208,153.04x = 312,230.36 × 50,381.28
  4. Step 4: Simplify right side
    208,153.04x = 15,730,565,191.66
  5. Step 5: Solve for x
    x = 15,730,565,191.66/208,153.04
  6. Step 6: Final answer
    x = 75,572.11

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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.