Home / 389,239.17-537,150.15-219,473.34

Finding the Fourth Proportional to 389,239.17, 537,150.15 and 219,473.34

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Solution

The fourth proportional to 389,239.17, 537,150.15 and 219,473.34 is: 302,873.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,239.17 : 537,150.15 = 219,473.34 : x
  2. Step 2: Convert to fraction form
    389,239.17/537,150.15 = 219,473.34/x
  3. Step 3: Cross multiply
    389,239.17x = 537,150.15 × 219,473.34
  4. Step 4: Simplify right side
    389,239.17x = 117,890,137,502.00
  5. Step 5: Solve for x
    x = 117,890,137,502.00/389,239.17
  6. Step 6: Final answer
    x = 302,873.26

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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.