Home / 257,036.70-385,357.29-130,573.02

Finding the Fourth Proportional to 257,036.70, 385,357.29 and 130,573.02

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Solution

The fourth proportional to 257,036.70, 385,357.29 and 130,573.02 is: 195,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,036.70 : 385,357.29 = 130,573.02 : x
  2. Step 2: Convert to fraction form
    257,036.70/385,357.29 = 130,573.02/x
  3. Step 3: Cross multiply
    257,036.70x = 385,357.29 × 130,573.02
  4. Step 4: Simplify right side
    257,036.70x = 50,317,265,134.32
  5. Step 5: Solve for x
    x = 50,317,265,134.32/257,036.70
  6. Step 6: Final answer
    x = 195,759.07

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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.