Home / 318,701.28-439,799.26-175,462.40

Finding the Fourth Proportional to 318,701.28, 439,799.26 and 175,462.40

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Solution

The fourth proportional to 318,701.28, 439,799.26 and 175,462.40 is: 242,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,701.28 : 439,799.26 = 175,462.40 : x
  2. Step 2: Convert to fraction form
    318,701.28/439,799.26 = 175,462.40/x
  3. Step 3: Cross multiply
    318,701.28x = 439,799.26 × 175,462.40
  4. Step 4: Simplify right side
    318,701.28x = 77,168,233,677.82
  5. Step 5: Solve for x
    x = 77,168,233,677.82/318,701.28
  6. Step 6: Final answer
    x = 242,133.43

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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.