Home / 329,029.20-493,543.80-118,688.40

Finding the Fourth Proportional to 329,029.20, 493,543.80 and 118,688.40

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Solution

The fourth proportional to 329,029.20, 493,543.80 and 118,688.40 is: 178,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,029.20 : 493,543.80 = 118,688.40 : x
  2. Step 2: Convert to fraction form
    329,029.20/493,543.80 = 118,688.40/x
  3. Step 3: Cross multiply
    329,029.20x = 493,543.80 × 118,688.40
  4. Step 4: Simplify right side
    329,029.20x = 58,577,923,951.92
  5. Step 5: Solve for x
    x = 58,577,923,951.92/329,029.20
  6. Step 6: Final answer
    x = 178,032.60

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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.