Home / 240,543.01-331,954.77-155,807.56

Finding the Fourth Proportional to 240,543.01, 331,954.77 and 155,807.56

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Solution

The fourth proportional to 240,543.01, 331,954.77 and 155,807.56 is: 215,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,543.01 : 331,954.77 = 155,807.56 : x
  2. Step 2: Convert to fraction form
    240,543.01/331,954.77 = 155,807.56/x
  3. Step 3: Cross multiply
    240,543.01x = 331,954.77 × 155,807.56
  4. Step 4: Simplify right side
    240,543.01x = 51,721,062,744.06
  5. Step 5: Solve for x
    x = 51,721,062,744.06/240,543.01
  6. Step 6: Final answer
    x = 215,017.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.