Home / 249,715.72-344,609.02-136,538.47

Finding the Fourth Proportional to 249,715.72, 344,609.02 and 136,538.47

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Solution

The fourth proportional to 249,715.72, 344,609.02 and 136,538.47 is: 188,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,715.72 : 344,609.02 = 136,538.47 : x
  2. Step 2: Convert to fraction form
    249,715.72/344,609.02 = 136,538.47/x
  3. Step 3: Cross multiply
    249,715.72x = 344,609.02 × 136,538.47
  4. Step 4: Simplify right side
    249,715.72x = 47,052,388,339.00
  5. Step 5: Solve for x
    x = 47,052,388,339.00/249,715.72
  6. Step 6: Final answer
    x = 188,423.81

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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.