Home / 292,005.28-402,965.52-157,868.96

Finding the Fourth Proportional to 292,005.28, 402,965.52 and 157,868.96

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Solution

The fourth proportional to 292,005.28, 402,965.52 and 157,868.96 is: 217,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,005.28 : 402,965.52 = 157,868.96 : x
  2. Step 2: Convert to fraction form
    292,005.28/402,965.52 = 157,868.96/x
  3. Step 3: Cross multiply
    292,005.28x = 402,965.52 × 157,868.96
  4. Step 4: Simplify right side
    292,005.28x = 63,615,747,558.26
  5. Step 5: Solve for x
    x = 63,615,747,558.26/292,005.28
  6. Step 6: Final answer
    x = 217,858.21

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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.