Home / 315,032.64-434,827.92-179,146.24

Finding the Fourth Proportional to 315,032.64, 434,827.92 and 179,146.24

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Solution

The fourth proportional to 315,032.64, 434,827.92 and 179,146.24 is: 247,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,032.64 : 434,827.92 = 179,146.24 : x
  2. Step 2: Convert to fraction form
    315,032.64/434,827.92 = 179,146.24/x
  3. Step 3: Cross multiply
    315,032.64x = 434,827.92 × 179,146.24
  4. Step 4: Simplify right side
    315,032.64x = 77,897,786,915.02
  5. Step 5: Solve for x
    x = 77,897,786,915.02/315,032.64
  6. Step 6: Final answer
    x = 247,268.94

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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.