Home / 255,293.85-382,955.18-77,806.65

Finding the Fourth Proportional to 255,293.85, 382,955.18 and 77,806.65

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Solution

The fourth proportional to 255,293.85, 382,955.18 and 77,806.65 is: 116,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,293.85 : 382,955.18 = 77,806.65 : x
  2. Step 2: Convert to fraction form
    255,293.85/382,955.18 = 77,806.65/x
  3. Step 3: Cross multiply
    255,293.85x = 382,955.18 × 77,806.65
  4. Step 4: Simplify right side
    255,293.85x = 29,796,459,655.95
  5. Step 5: Solve for x
    x = 29,796,459,655.95/255,293.85
  6. Step 6: Final answer
    x = 116,714.37

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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.