Home / 319,864.08-479,830.68-196,001.04

Finding the Fourth Proportional to 319,864.08, 479,830.68 and 196,001.04

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Solution

The fourth proportional to 319,864.08, 479,830.68 and 196,001.04 is: 294,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,864.08 : 479,830.68 = 196,001.04 : x
  2. Step 2: Convert to fraction form
    319,864.08/479,830.68 = 196,001.04/x
  3. Step 3: Cross multiply
    319,864.08x = 479,830.68 × 196,001.04
  4. Step 4: Simplify right side
    319,864.08x = 94,047,312,303.91
  5. Step 5: Solve for x
    x = 94,047,312,303.91/319,864.08
  6. Step 6: Final answer
    x = 294,022.74

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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.