Home / 385,247.80-577,933.26-118,945.72

Finding the Fourth Proportional to 385,247.80, 577,933.26 and 118,945.72

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Solution

The fourth proportional to 385,247.80, 577,933.26 and 118,945.72 is: 178,437.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,247.80 : 577,933.26 = 118,945.72 : x
  2. Step 2: Convert to fraction form
    385,247.80/577,933.26 = 118,945.72/x
  3. Step 3: Cross multiply
    385,247.80x = 577,933.26 × 118,945.72
  4. Step 4: Simplify right side
    385,247.80x = 68,742,687,722.65
  5. Step 5: Solve for x
    x = 68,742,687,722.65/385,247.80
  6. Step 6: Final answer
    x = 178,437.59

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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.