Home / 291,724.93-402,655.31-190,003.87

Finding the Fourth Proportional to 291,724.93, 402,655.31 and 190,003.87

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Solution

The fourth proportional to 291,724.93, 402,655.31 and 190,003.87 is: 262,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,724.93 : 402,655.31 = 190,003.87 : x
  2. Step 2: Convert to fraction form
    291,724.93/402,655.31 = 190,003.87/x
  3. Step 3: Cross multiply
    291,724.93x = 402,655.31 × 190,003.87
  4. Step 4: Simplify right side
    291,724.93x = 76,506,067,176.05
  5. Step 5: Solve for x
    x = 76,506,067,176.05/291,724.93
  6. Step 6: Final answer
    x = 262,254.13

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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.