Home / 386,061.03-578,894.10-161,360.15

Finding the Fourth Proportional to 386,061.03, 578,894.10 and 161,360.15

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Solution

The fourth proportional to 386,061.03, 578,894.10 and 161,360.15 is: 241,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,061.03 : 578,894.10 = 161,360.15 : x
  2. Step 2: Convert to fraction form
    386,061.03/578,894.10 = 161,360.15/x
  3. Step 3: Cross multiply
    386,061.03x = 578,894.10 × 161,360.15
  4. Step 4: Simplify right side
    386,061.03x = 93,410,438,810.12
  5. Step 5: Solve for x
    x = 93,410,438,810.12/386,061.03
  6. Step 6: Final answer
    x = 241,957.70

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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.