Home / 385,742.22-578,333.04-161,166.87

Finding the Fourth Proportional to 385,742.22, 578,333.04 and 161,166.87

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Solution

The fourth proportional to 385,742.22, 578,333.04 and 161,166.87 is: 241,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,742.22 : 578,333.04 = 161,166.87 : x
  2. Step 2: Convert to fraction form
    385,742.22/578,333.04 = 161,166.87/x
  3. Step 3: Cross multiply
    385,742.22x = 578,333.04 × 161,166.87
  4. Step 4: Simplify right side
    385,742.22x = 93,208,125,874.38
  5. Step 5: Solve for x
    x = 93,208,125,874.38/385,742.22
  6. Step 6: Final answer
    x = 241,633.20

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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.