Home / 424,148.20-636,054.93-171,381.02

Finding the Fourth Proportional to 424,148.20, 636,054.93 and 171,381.02

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Solution

The fourth proportional to 424,148.20, 636,054.93 and 171,381.02 is: 257,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,148.20 : 636,054.93 = 171,381.02 : x
  2. Step 2: Convert to fraction form
    424,148.20/636,054.93 = 171,381.02/x
  3. Step 3: Cross multiply
    424,148.20x = 636,054.93 × 171,381.02
  4. Step 4: Simplify right side
    424,148.20x = 109,007,739,499.15
  5. Step 5: Solve for x
    x = 109,007,739,499.15/424,148.20
  6. Step 6: Final answer
    x = 257,003.90

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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.