Home / 284,777.32-392,988.41-155,716.22

Finding the Fourth Proportional to 284,777.32, 392,988.41 and 155,716.22

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Solution

The fourth proportional to 284,777.32, 392,988.41 and 155,716.22 is: 214,886.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,777.32 : 392,988.41 = 155,716.22 : x
  2. Step 2: Convert to fraction form
    284,777.32/392,988.41 = 155,716.22/x
  3. Step 3: Cross multiply
    284,777.32x = 392,988.41 × 155,716.22
  4. Step 4: Simplify right side
    284,777.32x = 61,194,670,496.84
  5. Step 5: Solve for x
    x = 61,194,670,496.84/284,777.32
  6. Step 6: Final answer
    x = 214,886.04

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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.