Home / 401,833.12-602,330.42-135,502.06

Finding the Fourth Proportional to 401,833.12, 602,330.42 and 135,502.06

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Solution

The fourth proportional to 401,833.12, 602,330.42 and 135,502.06 is: 203,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,833.12 : 602,330.42 = 135,502.06 : x
  2. Step 2: Convert to fraction form
    401,833.12/602,330.42 = 135,502.06/x
  3. Step 3: Cross multiply
    401,833.12x = 602,330.42 × 135,502.06
  4. Step 4: Simplify right side
    401,833.12x = 81,617,012,710.67
  5. Step 5: Solve for x
    x = 81,617,012,710.67/401,833.12
  6. Step 6: Final answer
    x = 203,111.71

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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.