Home / 284,738.32-392,947.08-157,422.10

Finding the Fourth Proportional to 284,738.32, 392,947.08 and 157,422.10

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Solution

The fourth proportional to 284,738.32, 392,947.08 and 157,422.10 is: 217,247.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,738.32 : 392,947.08 = 157,422.10 : x
  2. Step 2: Convert to fraction form
    284,738.32/392,947.08 = 157,422.10/x
  3. Step 3: Cross multiply
    284,738.32x = 392,947.08 × 157,422.10
  4. Step 4: Simplify right side
    284,738.32x = 61,858,554,522.47
  5. Step 5: Solve for x
    x = 61,858,554,522.47/284,738.32
  6. Step 6: Final answer
    x = 217,247.03

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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.