Home / 359,631.30-496,271.79-223,661.42

Finding the Fourth Proportional to 359,631.30, 496,271.79 and 223,661.42

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Solution

The fourth proportional to 359,631.30, 496,271.79 and 223,661.42 is: 308,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,631.30 : 496,271.79 = 223,661.42 : x
  2. Step 2: Convert to fraction form
    359,631.30/496,271.79 = 223,661.42/x
  3. Step 3: Cross multiply
    359,631.30x = 496,271.79 × 223,661.42
  4. Step 4: Simplify right side
    359,631.30x = 110,996,852,637.00
  5. Step 5: Solve for x
    x = 110,996,852,637.00/359,631.30
  6. Step 6: Final answer
    x = 308,640.69

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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.