Home / 519,002.40-778,357.80-164,125.20

Finding the Fourth Proportional to 519,002.40, 778,357.80 and 164,125.20

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Solution

The fourth proportional to 519,002.40, 778,357.80 and 164,125.20 is: 246,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,002.40 : 778,357.80 = 164,125.20 : x
  2. Step 2: Convert to fraction form
    519,002.40/778,357.80 = 164,125.20/x
  3. Step 3: Cross multiply
    519,002.40x = 778,357.80 × 164,125.20
  4. Step 4: Simplify right side
    519,002.40x = 127,748,129,596.56
  5. Step 5: Solve for x
    x = 127,748,129,596.56/519,002.40
  6. Step 6: Final answer
    x = 246,141.69

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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.