Home / 435,027.60-652,541.40-257,443.20

Finding the Fourth Proportional to 435,027.60, 652,541.40 and 257,443.20

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Solution

The fourth proportional to 435,027.60, 652,541.40 and 257,443.20 is: 386,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,027.60 : 652,541.40 = 257,443.20 : x
  2. Step 2: Convert to fraction form
    435,027.60/652,541.40 = 257,443.20/x
  3. Step 3: Cross multiply
    435,027.60x = 652,541.40 × 257,443.20
  4. Step 4: Simplify right side
    435,027.60x = 167,992,346,148.48
  5. Step 5: Solve for x
    x = 167,992,346,148.48/435,027.60
  6. Step 6: Final answer
    x = 386,164.80

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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.