Home / 311,567.52-429,983.40-180,771.96

Finding the Fourth Proportional to 311,567.52, 429,983.40 and 180,771.96

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Solution

The fourth proportional to 311,567.52, 429,983.40 and 180,771.96 is: 249,477.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,567.52 : 429,983.40 = 180,771.96 : x
  2. Step 2: Convert to fraction form
    311,567.52/429,983.40 = 180,771.96/x
  3. Step 3: Cross multiply
    311,567.52x = 429,983.40 × 180,771.96
  4. Step 4: Simplify right side
    311,567.52x = 77,728,941,985.46
  5. Step 5: Solve for x
    x = 77,728,941,985.46/311,567.52
  6. Step 6: Final answer
    x = 249,477.04

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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.