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Finding the Fourth Proportional to 282,127.68, 389,307.84 and 168,947.52

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Solution

The fourth proportional to 282,127.68, 389,307.84 and 168,947.52 is: 233,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,127.68 : 389,307.84 = 168,947.52 : x
  2. Step 2: Convert to fraction form
    282,127.68/389,307.84 = 168,947.52/x
  3. Step 3: Cross multiply
    282,127.68x = 389,307.84 × 168,947.52
  4. Step 4: Simplify right side
    282,127.68x = 65,772,594,084.56
  5. Step 5: Solve for x
    x = 65,772,594,084.56/282,127.68
  6. Step 6: Final answer
    x = 233,130.60

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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.