Home / 489,221.08-733,752.88-134,152.72

Finding the Fourth Proportional to 489,221.08, 733,752.88 and 134,152.72

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Solution

The fourth proportional to 489,221.08, 733,752.88 and 134,152.72 is: 201,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,221.08 : 733,752.88 = 134,152.72 : x
  2. Step 2: Convert to fraction form
    489,221.08/733,752.88 = 134,152.72/x
  3. Step 3: Cross multiply
    489,221.08x = 733,752.88 × 134,152.72
  4. Step 4: Simplify right side
    489,221.08x = 98,434,944,659.83
  5. Step 5: Solve for x
    x = 98,434,944,659.83/489,221.08
  6. Step 6: Final answer
    x = 201,207.49

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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.