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Finding the Fourth Proportional to 249,950.95, 344,931.38 and 135,229.22

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Solution

The fourth proportional to 249,950.95, 344,931.38 and 135,229.22 is: 186,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,950.95 : 344,931.38 = 135,229.22 : x
  2. Step 2: Convert to fraction form
    249,950.95/344,931.38 = 135,229.22/x
  3. Step 3: Cross multiply
    249,950.95x = 344,931.38 × 135,229.22
  4. Step 4: Simplify right side
    249,950.95x = 46,644,801,657.11
  5. Step 5: Solve for x
    x = 46,644,801,657.11/249,950.95
  6. Step 6: Final answer
    x = 186,615.82

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1.5x scale

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.