Home / 284,883.20-426,761.60-249,862.40

Finding the Fourth Proportional to 284,883.20, 426,761.60 and 249,862.40

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Solution

The fourth proportional to 284,883.20, 426,761.60 and 249,862.40 is: 374,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,883.20 : 426,761.60 = 249,862.40 : x
  2. Step 2: Convert to fraction form
    284,883.20/426,761.60 = 249,862.40/x
  3. Step 3: Cross multiply
    284,883.20x = 426,761.60 × 249,862.40
  4. Step 4: Simplify right side
    284,883.20x = 106,631,677,603.84
  5. Step 5: Solve for x
    x = 106,631,677,603.84/284,883.20
  6. Step 6: Final answer
    x = 374,299.63

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1.5x scale

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.