Home / 385,743.63-578,669.69-161,052.97

Finding the Fourth Proportional to 385,743.63, 578,669.69 and 161,052.97

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Solution

The fourth proportional to 385,743.63, 578,669.69 and 161,052.97 is: 241,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,743.63 : 578,669.69 = 161,052.97 : x
  2. Step 2: Convert to fraction form
    385,743.63/578,669.69 = 161,052.97/x
  3. Step 3: Cross multiply
    385,743.63x = 578,669.69 × 161,052.97
  4. Step 4: Simplify right side
    385,743.63x = 93,196,471,179.44
  5. Step 5: Solve for x
    x = 93,196,471,179.44/385,743.63
  6. Step 6: Final answer
    x = 241,602.10

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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.