Home / 252,025.60-377,455.20-172,710.40

Finding the Fourth Proportional to 252,025.60, 377,455.20 and 172,710.40

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Solution

The fourth proportional to 252,025.60, 377,455.20 and 172,710.40 is: 258,665.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,025.60 : 377,455.20 = 172,710.40 : x
  2. Step 2: Convert to fraction form
    252,025.60/377,455.20 = 172,710.40/x
  3. Step 3: Cross multiply
    252,025.60x = 377,455.20 × 172,710.40
  4. Step 4: Simplify right side
    252,025.60x = 65,190,438,574.08
  5. Step 5: Solve for x
    x = 65,190,438,574.08/252,025.60
  6. Step 6: Final answer
    x = 258,665.94

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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.