Home / 254,779.14-382,223.67-77,300.43

Finding the Fourth Proportional to 254,779.14, 382,223.67 and 77,300.43

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Solution

The fourth proportional to 254,779.14, 382,223.67 and 77,300.43 is: 115,967.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,779.14 : 382,223.67 = 77,300.43 : x
  2. Step 2: Convert to fraction form
    254,779.14/382,223.67 = 77,300.43/x
  3. Step 3: Cross multiply
    254,779.14x = 382,223.67 × 77,300.43
  4. Step 4: Simplify right side
    254,779.14x = 29,546,054,047.18
  5. Step 5: Solve for x
    x = 29,546,054,047.18/254,779.14
  6. Step 6: Final answer
    x = 115,967.32

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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.