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Finding the Fourth Proportional to 286,763.52, 427,725.33 and 249,026.88

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Solution

The fourth proportional to 286,763.52, 427,725.33 and 249,026.88 is: 371,438.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,763.52 : 427,725.33 = 249,026.88 : x
  2. Step 2: Convert to fraction form
    286,763.52/427,725.33 = 249,026.88/x
  3. Step 3: Cross multiply
    286,763.52x = 427,725.33 × 249,026.88
  4. Step 4: Simplify right side
    286,763.52x = 106,515,104,426.87
  5. Step 5: Solve for x
    x = 106,515,104,426.87/286,763.52
  6. Step 6: Final answer
    x = 371,438.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.