Home / 448,165.60-672,118.80-163,823.20

Finding the Fourth Proportional to 448,165.60, 672,118.80 and 163,823.20

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Solution

The fourth proportional to 448,165.60, 672,118.80 and 163,823.20 is: 245,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,165.60 : 672,118.80 = 163,823.20 : x
  2. Step 2: Convert to fraction form
    448,165.60/672,118.80 = 163,823.20/x
  3. Step 3: Cross multiply
    448,165.60x = 672,118.80 × 163,823.20
  4. Step 4: Simplify right side
    448,165.60x = 110,108,652,596.16
  5. Step 5: Solve for x
    x = 110,108,652,596.16/448,165.60
  6. Step 6: Final answer
    x = 245,687.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.