Home / 359,411.07-495,990.36-198,271.65

Finding the Fourth Proportional to 359,411.07, 495,990.36 and 198,271.65

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Solution

The fourth proportional to 359,411.07, 495,990.36 and 198,271.65 is: 273,616.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,411.07 : 495,990.36 = 198,271.65 : x
  2. Step 2: Convert to fraction form
    359,411.07/495,990.36 = 198,271.65/x
  3. Step 3: Cross multiply
    359,411.07x = 495,990.36 × 198,271.65
  4. Step 4: Simplify right side
    359,411.07x = 98,340,827,061.29
  5. Step 5: Solve for x
    x = 98,340,827,061.29/359,411.07
  6. Step 6: Final answer
    x = 273,616.58

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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.