Home / 489,159.12-733,739.76-134,178.24

Finding the Fourth Proportional to 489,159.12, 733,739.76 and 134,178.24

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Solution

The fourth proportional to 489,159.12, 733,739.76 and 134,178.24 is: 201,267.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,159.12 : 733,739.76 = 134,178.24 : x
  2. Step 2: Convert to fraction form
    489,159.12/733,739.76 = 134,178.24/x
  3. Step 3: Cross multiply
    489,159.12x = 733,739.76 × 134,178.24
  4. Step 4: Simplify right side
    489,159.12x = 98,451,909,614.82
  5. Step 5: Solve for x
    x = 98,451,909,614.82/489,159.12
  6. Step 6: Final answer
    x = 201,267.66

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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.