Home / 430,865.91-646,594.16-150,383.16

Finding the Fourth Proportional to 430,865.91, 646,594.16 and 150,383.16

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Solution

The fourth proportional to 430,865.91, 646,594.16 and 150,383.16 is: 225,677.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,865.91 : 646,594.16 = 150,383.16 : x
  2. Step 2: Convert to fraction form
    430,865.91/646,594.16 = 150,383.16/x
  3. Step 3: Cross multiply
    430,865.91x = 646,594.16 × 150,383.16
  4. Step 4: Simplify right side
    430,865.91x = 97,236,872,266.43
  5. Step 5: Solve for x
    x = 97,236,872,266.43/430,865.91
  6. Step 6: Final answer
    x = 225,677.80

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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.