Home / 401,320.44-602,042.85-135,060.21

Finding the Fourth Proportional to 401,320.44, 602,042.85 and 135,060.21

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Solution

The fourth proportional to 401,320.44, 602,042.85 and 135,060.21 is: 202,611.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,320.44 : 602,042.85 = 135,060.21 : x
  2. Step 2: Convert to fraction form
    401,320.44/602,042.85 = 135,060.21/x
  3. Step 3: Cross multiply
    401,320.44x = 602,042.85 × 135,060.21
  4. Step 4: Simplify right side
    401,320.44x = 81,312,033,750.00
  5. Step 5: Solve for x
    x = 81,312,033,750.00/401,320.44
  6. Step 6: Final answer
    x = 202,611.24

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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.