Home / 284,214.42-392,155.83-163,346.22

Finding the Fourth Proportional to 284,214.42, 392,155.83 and 163,346.22

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Solution

The fourth proportional to 284,214.42, 392,155.83 and 163,346.22 is: 225,383.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,214.42 : 392,155.83 = 163,346.22 : x
  2. Step 2: Convert to fraction form
    284,214.42/392,155.83 = 163,346.22/x
  3. Step 3: Cross multiply
    284,214.42x = 392,155.83 × 163,346.22
  4. Step 4: Simplify right side
    284,214.42x = 64,057,172,481.46
  5. Step 5: Solve for x
    x = 64,057,172,481.46/284,214.42
  6. Step 6: Final answer
    x = 225,383.26

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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.