Home / 430,833.21-646,253.33-146,588.36

Finding the Fourth Proportional to 430,833.21, 646,253.33 and 146,588.36

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Solution

The fourth proportional to 430,833.21, 646,253.33 and 146,588.36 is: 219,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,833.21 : 646,253.33 = 146,588.36 : x
  2. Step 2: Convert to fraction form
    430,833.21/646,253.33 = 146,588.36/x
  3. Step 3: Cross multiply
    430,833.21x = 646,253.33 × 146,588.36
  4. Step 4: Simplify right side
    430,833.21x = 94,733,211,825.03
  5. Step 5: Solve for x
    x = 94,733,211,825.03/430,833.21
  6. Step 6: Final answer
    x = 219,883.73

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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.