Home / 284,764.32-392,962.32-155,700.36

Finding the Fourth Proportional to 284,764.32, 392,962.32 and 155,700.36

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Solution

The fourth proportional to 284,764.32, 392,962.32 and 155,700.36 is: 214,859.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,764.32 : 392,962.32 = 155,700.36 : x
  2. Step 2: Convert to fraction form
    284,764.32/392,962.32 = 155,700.36/x
  3. Step 3: Cross multiply
    284,764.32x = 392,962.32 × 155,700.36
  4. Step 4: Simplify right side
    284,764.32x = 61,184,374,690.44
  5. Step 5: Solve for x
    x = 61,184,374,690.44/284,764.32
  6. Step 6: Final answer
    x = 214,859.69

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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.