Home / 295,320.30-442,980.45-216,005.10

Finding the Fourth Proportional to 295,320.30, 442,980.45 and 216,005.10

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Solution

The fourth proportional to 295,320.30, 442,980.45 and 216,005.10 is: 324,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,320.30 : 442,980.45 = 216,005.10 : x
  2. Step 2: Convert to fraction form
    295,320.30/442,980.45 = 216,005.10/x
  3. Step 3: Cross multiply
    295,320.30x = 442,980.45 × 216,005.10
  4. Step 4: Simplify right side
    295,320.30x = 95,686,036,400.30
  5. Step 5: Solve for x
    x = 95,686,036,400.30/295,320.30
  6. Step 6: Final answer
    x = 324,007.65

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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.