Home / 215,500.32-297,417.60-130,606.56

Finding the Fourth Proportional to 215,500.32, 297,417.60 and 130,606.56

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Solution

The fourth proportional to 215,500.32, 297,417.60 and 130,606.56 is: 180,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,500.32 : 297,417.60 = 130,606.56 : x
  2. Step 2: Convert to fraction form
    215,500.32/297,417.60 = 130,606.56/x
  3. Step 3: Cross multiply
    215,500.32x = 297,417.60 × 130,606.56
  4. Step 4: Simplify right side
    215,500.32x = 38,844,689,619.46
  5. Step 5: Solve for x
    x = 38,844,689,619.46/215,500.32
  6. Step 6: Final answer
    x = 180,253.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.