Home / 242,730.20-364,095.30-84,974.60

Finding the Fourth Proportional to 242,730.20, 364,095.30 and 84,974.60

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Solution

The fourth proportional to 242,730.20, 364,095.30 and 84,974.60 is: 127,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,730.20 : 364,095.30 = 84,974.60 : x
  2. Step 2: Convert to fraction form
    242,730.20/364,095.30 = 84,974.60/x
  3. Step 3: Cross multiply
    242,730.20x = 364,095.30 × 84,974.60
  4. Step 4: Simplify right side
    242,730.20x = 30,938,852,479.38
  5. Step 5: Solve for x
    x = 30,938,852,479.38/242,730.20
  6. Step 6: Final answer
    x = 127,461.90

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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.