Home / 385,973.66-578,763.05-161,272.77

Finding the Fourth Proportional to 385,973.66, 578,763.05 and 161,272.77

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Solution

The fourth proportional to 385,973.66, 578,763.05 and 161,272.77 is: 241,826.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,973.66 : 578,763.05 = 161,272.77 : x
  2. Step 2: Convert to fraction form
    385,973.66/578,763.05 = 161,272.77/x
  3. Step 3: Cross multiply
    385,973.66x = 578,763.05 × 161,272.77
  4. Step 4: Simplify right side
    385,973.66x = 93,338,719,440.78
  5. Step 5: Solve for x
    x = 93,338,719,440.78/385,973.66
  6. Step 6: Final answer
    x = 241,826.66

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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.