Home / 331,575.40-457,574.04-180,672.40

Finding the Fourth Proportional to 331,575.40, 457,574.04 and 180,672.40

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Solution

The fourth proportional to 331,575.40, 457,574.04 and 180,672.40 is: 249,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,575.40 : 457,574.04 = 180,672.40 : x
  2. Step 2: Convert to fraction form
    331,575.40/457,574.04 = 180,672.40/x
  3. Step 3: Cross multiply
    331,575.40x = 457,574.04 × 180,672.40
  4. Step 4: Simplify right side
    331,575.40x = 82,670,999,984.50
  5. Step 5: Solve for x
    x = 82,670,999,984.50/331,575.40
  6. Step 6: Final answer
    x = 249,327.91

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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.