Home / 331,646.60-457,670.58-180,742.28

Finding the Fourth Proportional to 331,646.60, 457,670.58 and 180,742.28

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Solution

The fourth proportional to 331,646.60, 457,670.58 and 180,742.28 is: 249,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,646.60 : 457,670.58 = 180,742.28 : x
  2. Step 2: Convert to fraction form
    331,646.60/457,670.58 = 180,742.28/x
  3. Step 3: Cross multiply
    331,646.60x = 457,670.58 × 180,742.28
  4. Step 4: Simplify right side
    331,646.60x = 82,720,424,118.12
  5. Step 5: Solve for x
    x = 82,720,424,118.12/331,646.60
  6. Step 6: Final answer
    x = 249,423.40

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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.