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Finding the Fourth Proportional to 401,356.80, 602,034 and 101,836.80

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Solution

The fourth proportional to 401,356.80, 602,034 and 101,836.80 is: 152,754.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,356.80 : 602,034 = 101,836.80 : x
  2. Step 2: Convert to fraction form
    401,356.80/602,034 = 101,836.80/x
  3. Step 3: Cross multiply
    401,356.80x = 602,034 × 101,836.80
  4. Step 4: Simplify right side
    401,356.80x = 61,309,216,051.20
  5. Step 5: Solve for x
    x = 61,309,216,051.20/401,356.80
  6. Step 6: Final answer
    x = 152,754.90

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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.