Home / 249,715.68-344,607.60-136,538.40

Finding the Fourth Proportional to 249,715.68, 344,607.60 and 136,538.40

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Solution

The fourth proportional to 249,715.68, 344,607.60 and 136,538.40 is: 188,422.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,715.68 : 344,607.60 = 136,538.40 : x
  2. Step 2: Convert to fraction form
    249,715.68/344,607.60 = 136,538.40/x
  3. Step 3: Cross multiply
    249,715.68x = 344,607.60 × 136,538.40
  4. Step 4: Simplify right side
    249,715.68x = 47,052,170,331.84
  5. Step 5: Solve for x
    x = 47,052,170,331.84/249,715.68
  6. Step 6: Final answer
    x = 188,422.97

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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.