Home / 308,139.40-462,338.70-167,998.60

Finding the Fourth Proportional to 308,139.40, 462,338.70 and 167,998.60

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Solution

The fourth proportional to 308,139.40, 462,338.70 and 167,998.60 is: 252,068.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,139.40 : 462,338.70 = 167,998.60 : x
  2. Step 2: Convert to fraction form
    308,139.40/462,338.70 = 167,998.60/x
  3. Step 3: Cross multiply
    308,139.40x = 462,338.70 × 167,998.60
  4. Step 4: Simplify right side
    308,139.40x = 77,672,254,325.82
  5. Step 5: Solve for x
    x = 77,672,254,325.82/308,139.40
  6. Step 6: Final answer
    x = 252,068.56

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1.5x scale

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.