Home / 291,911.17-402,828.28-164,584.93

Finding the Fourth Proportional to 291,911.17, 402,828.28 and 164,584.93

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Solution

The fourth proportional to 291,911.17, 402,828.28 and 164,584.93 is: 227,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,911.17 : 402,828.28 = 164,584.93 : x
  2. Step 2: Convert to fraction form
    291,911.17/402,828.28 = 164,584.93/x
  3. Step 3: Cross multiply
    291,911.17x = 402,828.28 × 164,584.93
  4. Step 4: Simplify right side
    291,911.17x = 66,299,464,265.82
  5. Step 5: Solve for x
    x = 66,299,464,265.82/291,911.17
  6. Step 6: Final answer
    x = 227,122.05

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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.