Home / 284,063.72-392,007.06-156,738.20

Finding the Fourth Proportional to 284,063.72, 392,007.06 and 156,738.20

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Solution

The fourth proportional to 284,063.72, 392,007.06 and 156,738.20 is: 216,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,063.72 : 392,007.06 = 156,738.20 : x
  2. Step 2: Convert to fraction form
    284,063.72/392,007.06 = 156,738.20/x
  3. Step 3: Cross multiply
    284,063.72x = 392,007.06 × 156,738.20
  4. Step 4: Simplify right side
    284,063.72x = 61,442,480,971.69
  5. Step 5: Solve for x
    x = 61,442,480,971.69/284,063.72
  6. Step 6: Final answer
    x = 216,298.23

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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.