Home / 254,332.80-381,499.20-154,688.40

Finding the Fourth Proportional to 254,332.80, 381,499.20 and 154,688.40

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Solution

The fourth proportional to 254,332.80, 381,499.20 and 154,688.40 is: 232,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,332.80 : 381,499.20 = 154,688.40 : x
  2. Step 2: Convert to fraction form
    254,332.80/381,499.20 = 154,688.40/x
  3. Step 3: Cross multiply
    254,332.80x = 381,499.20 × 154,688.40
  4. Step 4: Simplify right side
    254,332.80x = 59,013,500,849.28
  5. Step 5: Solve for x
    x = 59,013,500,849.28/254,332.80
  6. Step 6: Final answer
    x = 232,032.60

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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.