Home / 430,827.70-646,270.35-146,514.10

Finding the Fourth Proportional to 430,827.70, 646,270.35 and 146,514.10

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Solution

The fourth proportional to 430,827.70, 646,270.35 and 146,514.10 is: 219,780.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,827.70 : 646,270.35 = 146,514.10 : x
  2. Step 2: Convert to fraction form
    430,827.70/646,270.35 = 146,514.10/x
  3. Step 3: Cross multiply
    430,827.70x = 646,270.35 × 146,514.10
  4. Step 4: Simplify right side
    430,827.70x = 94,687,718,686.94
  5. Step 5: Solve for x
    x = 94,687,718,686.94/430,827.70
  6. Step 6: Final answer
    x = 219,780.94

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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.