Home / 287,741.52-397,334.03-180,495.90

Finding the Fourth Proportional to 287,741.52, 397,334.03 and 180,495.90

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Solution

The fourth proportional to 287,741.52, 397,334.03 and 180,495.90 is: 249,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,741.52 : 397,334.03 = 180,495.90 : x
  2. Step 2: Convert to fraction form
    287,741.52/397,334.03 = 180,495.90/x
  3. Step 3: Cross multiply
    287,741.52x = 397,334.03 × 180,495.90
  4. Step 4: Simplify right side
    287,741.52x = 71,717,162,443.00
  5. Step 5: Solve for x
    x = 71,717,162,443.00/287,741.52
  6. Step 6: Final answer
    x = 249,241.62

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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.