Home / 249,861.82-344,808.28-135,140.59

Finding the Fourth Proportional to 249,861.82, 344,808.28 and 135,140.59

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Solution

The fourth proportional to 249,861.82, 344,808.28 and 135,140.59 is: 186,493.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,861.82 : 344,808.28 = 135,140.59 : x
  2. Step 2: Convert to fraction form
    249,861.82/344,808.28 = 135,140.59/x
  3. Step 3: Cross multiply
    249,861.82x = 344,808.28 × 135,140.59
  4. Step 4: Simplify right side
    249,861.82x = 46,597,594,396.09
  5. Step 5: Solve for x
    x = 46,597,594,396.09/249,861.82
  6. Step 6: Final answer
    x = 186,493.46

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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.