Home / 355,177.75-532,434.45-130,477.83

Finding the Fourth Proportional to 355,177.75, 532,434.45 and 130,477.83

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Solution

The fourth proportional to 355,177.75, 532,434.45 and 130,477.83 is: 195,594.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,177.75 : 532,434.45 = 130,477.83 : x
  2. Step 2: Convert to fraction form
    355,177.75/532,434.45 = 130,477.83/x
  3. Step 3: Cross multiply
    355,177.75x = 532,434.45 × 130,477.83
  4. Step 4: Simplify right side
    355,177.75x = 69,470,891,653.24
  5. Step 5: Solve for x
    x = 69,470,891,653.24/355,177.75
  6. Step 6: Final answer
    x = 195,594.72

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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.