Home / 249,742.17-344,647.95-142,309.89

Finding the Fourth Proportional to 249,742.17, 344,647.95 and 142,309.89

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Solution

The fourth proportional to 249,742.17, 344,647.95 and 142,309.89 is: 196,389.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,742.17 : 344,647.95 = 142,309.89 : x
  2. Step 2: Convert to fraction form
    249,742.17/344,647.95 = 142,309.89/x
  3. Step 3: Cross multiply
    249,742.17x = 344,647.95 × 142,309.89
  4. Step 4: Simplify right side
    249,742.17x = 49,046,811,853.23
  5. Step 5: Solve for x
    x = 49,046,811,853.23/249,742.17
  6. Step 6: Final answer
    x = 196,389.79

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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.