Home / 220,788.72-304,780.32-167,088.96

Finding the Fourth Proportional to 220,788.72, 304,780.32 and 167,088.96

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Solution

The fourth proportional to 220,788.72, 304,780.32 and 167,088.96 is: 230,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,788.72 : 304,780.32 = 167,088.96 : x
  2. Step 2: Convert to fraction form
    220,788.72/304,780.32 = 167,088.96/x
  3. Step 3: Cross multiply
    220,788.72x = 304,780.32 × 167,088.96
  4. Step 4: Simplify right side
    220,788.72x = 50,925,426,697.27
  5. Step 5: Solve for x
    x = 50,925,426,697.27/220,788.72
  6. Step 6: Final answer
    x = 230,652.30

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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.