Home / 385,298.10-577,947.96-207,888.66

Finding the Fourth Proportional to 385,298.10, 577,947.96 and 207,888.66

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Solution

The fourth proportional to 385,298.10, 577,947.96 and 207,888.66 is: 311,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,298.10 : 577,947.96 = 207,888.66 : x
  2. Step 2: Convert to fraction form
    385,298.10/577,947.96 = 207,888.66/x
  3. Step 3: Cross multiply
    385,298.10x = 577,947.96 × 207,888.66
  4. Step 4: Simplify right side
    385,298.10x = 120,148,826,954.13
  5. Step 5: Solve for x
    x = 120,148,826,954.13/385,298.10
  6. Step 6: Final answer
    x = 311,833.43

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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.