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Finding the Fourth Proportional to 249,274.18, 373,960.56 and 91,504

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Solution

The fourth proportional to 249,274.18, 373,960.56 and 91,504 is: 137,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,274.18 : 373,960.56 = 91,504 : x
  2. Step 2: Convert to fraction form
    249,274.18/373,960.56 = 91,504/x
  3. Step 3: Cross multiply
    249,274.18x = 373,960.56 × 91,504
  4. Step 4: Simplify right side
    249,274.18x = 34,218,887,082.24
  5. Step 5: Solve for x
    x = 34,218,887,082.24/249,274.18
  6. Step 6: Final answer
    x = 137,274.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.