Home / 242,769.40-363,959.70-102,412.60

Finding the Fourth Proportional to 242,769.40, 363,959.70 and 102,412.60

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Solution

The fourth proportional to 242,769.40, 363,959.70 and 102,412.60 is: 153,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,769.40 : 363,959.70 = 102,412.60 : x
  2. Step 2: Convert to fraction form
    242,769.40/363,959.70 = 102,412.60/x
  3. Step 3: Cross multiply
    242,769.40x = 363,959.70 × 102,412.60
  4. Step 4: Simplify right side
    242,769.40x = 37,274,059,172.22
  5. Step 5: Solve for x
    x = 37,274,059,172.22/242,769.40
  6. Step 6: Final answer
    x = 153,536.89

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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.