Home / 402,492.46-555,427.85-230,404.72

Finding the Fourth Proportional to 402,492.46, 555,427.85 and 230,404.72

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Solution

The fourth proportional to 402,492.46, 555,427.85 and 230,404.72 is: 317,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,492.46 : 555,427.85 = 230,404.72 : x
  2. Step 2: Convert to fraction form
    402,492.46/555,427.85 = 230,404.72/x
  3. Step 3: Cross multiply
    402,492.46x = 555,427.85 × 230,404.72
  4. Step 4: Simplify right side
    402,492.46x = 127,973,198,259.45
  5. Step 5: Solve for x
    x = 127,973,198,259.45/402,492.46
  6. Step 6: Final answer
    x = 317,951.79

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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.