Home / 282,419.00-389,640.78-180,504.11

Finding the Fourth Proportional to 282,419.00, 389,640.78 and 180,504.11

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Solution

The fourth proportional to 282,419.00, 389,640.78 and 180,504.11 is: 249,033.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,419.00 : 389,640.78 = 180,504.11 : x
  2. Step 2: Convert to fraction form
    282,419.00/389,640.78 = 180,504.11/x
  3. Step 3: Cross multiply
    282,419.00x = 389,640.78 × 180,504.11
  4. Step 4: Simplify right side
    282,419.00x = 70,331,762,213.61
  5. Step 5: Solve for x
    x = 70,331,762,213.61/282,419.00
  6. Step 6: Final answer
    x = 249,033.40

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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.