Home / 282,819.07-390,267.08-166,514.05

Finding the Fourth Proportional to 282,819.07, 390,267.08 and 166,514.05

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Solution

The fourth proportional to 282,819.07, 390,267.08 and 166,514.05 is: 229,775.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,819.07 : 390,267.08 = 166,514.05 : x
  2. Step 2: Convert to fraction form
    282,819.07/390,267.08 = 166,514.05/x
  3. Step 3: Cross multiply
    282,819.07x = 390,267.08 × 166,514.05
  4. Step 4: Simplify right side
    282,819.07x = 64,984,950,537.42
  5. Step 5: Solve for x
    x = 64,984,950,537.42/282,819.07
  6. Step 6: Final answer
    x = 229,775.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.