Home / 291,912.17-402,829.66-164,585.93

Finding the Fourth Proportional to 291,912.17, 402,829.66 and 164,585.93

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Solution

The fourth proportional to 291,912.17, 402,829.66 and 164,585.93 is: 227,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,912.17 : 402,829.66 = 164,585.93 : x
  2. Step 2: Convert to fraction form
    291,912.17/402,829.66 = 164,585.93/x
  3. Step 3: Cross multiply
    291,912.17x = 402,829.66 × 164,585.93
  4. Step 4: Simplify right side
    291,912.17x = 66,300,094,222.68
  5. Step 5: Solve for x
    x = 66,300,094,222.68/291,912.17
  6. Step 6: Final answer
    x = 227,123.43

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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.