Home / 284,295.42-392,327.64-163,460.34

Finding the Fourth Proportional to 284,295.42, 392,327.64 and 163,460.34

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Solution

The fourth proportional to 284,295.42, 392,327.64 and 163,460.34 is: 225,575.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,295.42 : 392,327.64 = 163,460.34 : x
  2. Step 2: Convert to fraction form
    284,295.42/392,327.64 = 163,460.34/x
  3. Step 3: Cross multiply
    284,295.42x = 392,327.64 × 163,460.34
  4. Step 4: Simplify right side
    284,295.42x = 64,130,009,425.80
  5. Step 5: Solve for x
    x = 64,130,009,425.80/284,295.42
  6. Step 6: Final answer
    x = 225,575.25

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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.