Home / 284,788.44-392,977.98-157,443.48

Finding the Fourth Proportional to 284,788.44, 392,977.98 and 157,443.48

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Solution

The fourth proportional to 284,788.44, 392,977.98 and 157,443.48 is: 217,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,788.44 : 392,977.98 = 157,443.48 : x
  2. Step 2: Convert to fraction form
    284,788.44/392,977.98 = 157,443.48/x
  3. Step 3: Cross multiply
    284,788.44x = 392,977.98 × 157,443.48
  4. Step 4: Simplify right side
    284,788.44x = 61,871,820,734.57
  5. Step 5: Solve for x
    x = 61,871,820,734.57/284,788.44
  6. Step 6: Final answer
    x = 217,255.38

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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.