Home / 242,298.90-334,184.40-215,103.72

Finding the Fourth Proportional to 242,298.90, 334,184.40 and 215,103.72

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Solution

The fourth proportional to 242,298.90, 334,184.40 and 215,103.72 is: 296,676.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,298.90 : 334,184.40 = 215,103.72 : x
  2. Step 2: Convert to fraction form
    242,298.90/334,184.40 = 215,103.72/x
  3. Step 3: Cross multiply
    242,298.90x = 334,184.40 × 215,103.72
  4. Step 4: Simplify right side
    242,298.90x = 71,884,307,605.97
  5. Step 5: Solve for x
    x = 71,884,307,605.97/242,298.90
  6. Step 6: Final answer
    x = 296,676.16

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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.