Home / 284,426.40-392,507.46-163,561.98

Finding the Fourth Proportional to 284,426.40, 392,507.46 and 163,561.98

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Solution

The fourth proportional to 284,426.40, 392,507.46 and 163,561.98 is: 225,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,426.40 : 392,507.46 = 163,561.98 : x
  2. Step 2: Convert to fraction form
    284,426.40/392,507.46 = 163,561.98/x
  3. Step 3: Cross multiply
    284,426.40x = 392,507.46 × 163,561.98
  4. Step 4: Simplify right side
    284,426.40x = 64,199,297,322.37
  5. Step 5: Solve for x
    x = 64,199,297,322.37/284,426.40
  6. Step 6: Final answer
    x = 225,714.97

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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.