Home / 329,145.60-493,640.64-142,055.04

Finding the Fourth Proportional to 329,145.60, 493,640.64 and 142,055.04

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Solution

The fourth proportional to 329,145.60, 493,640.64 and 142,055.04 is: 213,049.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,145.60 : 493,640.64 = 142,055.04 : x
  2. Step 2: Convert to fraction form
    329,145.60/493,640.64 = 142,055.04/x
  3. Step 3: Cross multiply
    329,145.60x = 493,640.64 × 142,055.04
  4. Step 4: Simplify right side
    329,145.60x = 70,124,140,860.83
  5. Step 5: Solve for x
    x = 70,124,140,860.83/329,145.60
  6. Step 6: Final answer
    x = 213,049.00

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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.