Home / 430,735.60-646,148.76-150,255.28

Finding the Fourth Proportional to 430,735.60, 646,148.76 and 150,255.28

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Solution

The fourth proportional to 430,735.60, 646,148.76 and 150,255.28 is: 225,398.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,735.60 : 646,148.76 = 150,255.28 : x
  2. Step 2: Convert to fraction form
    430,735.60/646,148.76 = 150,255.28/x
  3. Step 3: Cross multiply
    430,735.60x = 646,148.76 × 150,255.28
  4. Step 4: Simplify right side
    430,735.60x = 97,087,262,855.45
  5. Step 5: Solve for x
    x = 97,087,262,855.45/430,735.60
  6. Step 6: Final answer
    x = 225,398.74

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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.