Home / 311,462.15-429,837.03-180,666.32

Finding the Fourth Proportional to 311,462.15, 429,837.03 and 180,666.32

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Solution

The fourth proportional to 311,462.15, 429,837.03 and 180,666.32 is: 249,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,462.15 : 429,837.03 = 180,666.32 : x
  2. Step 2: Convert to fraction form
    311,462.15/429,837.03 = 180,666.32/x
  3. Step 3: Cross multiply
    311,462.15x = 429,837.03 × 180,666.32
  4. Step 4: Simplify right side
    311,462.15x = 77,657,072,260.64
  5. Step 5: Solve for x
    x = 77,657,072,260.64/311,462.15
  6. Step 6: Final answer
    x = 249,330.69

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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.