Home / 282,628.20-423,942.30-124,775.40

Finding the Fourth Proportional to 282,628.20, 423,942.30 and 124,775.40

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Solution

The fourth proportional to 282,628.20, 423,942.30 and 124,775.40 is: 187,163.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,628.20 : 423,942.30 = 124,775.40 : x
  2. Step 2: Convert to fraction form
    282,628.20/423,942.30 = 124,775.40/x
  3. Step 3: Cross multiply
    282,628.20x = 423,942.30 × 124,775.40
  4. Step 4: Simplify right side
    282,628.20x = 52,897,570,059.42
  5. Step 5: Solve for x
    x = 52,897,570,059.42/282,628.20
  6. Step 6: Final answer
    x = 187,163.10

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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.