Home / 358,932.08-495,303.72-215,607.44

Finding the Fourth Proportional to 358,932.08, 495,303.72 and 215,607.44

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Solution

The fourth proportional to 358,932.08, 495,303.72 and 215,607.44 is: 297,524.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,932.08 : 495,303.72 = 215,607.44 : x
  2. Step 2: Convert to fraction form
    358,932.08/495,303.72 = 215,607.44/x
  3. Step 3: Cross multiply
    358,932.08x = 495,303.72 × 215,607.44
  4. Step 4: Simplify right side
    358,932.08x = 106,791,167,091.68
  5. Step 5: Solve for x
    x = 106,791,167,091.68/358,932.08
  6. Step 6: Final answer
    x = 297,524.72

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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.