Home / 424,397.02-636,875.97-199,821.67

Finding the Fourth Proportional to 424,397.02, 636,875.97 and 199,821.67

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Solution

The fourth proportional to 424,397.02, 636,875.97 and 199,821.67 is: 299,864.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,397.02 : 636,875.97 = 199,821.67 : x
  2. Step 2: Convert to fraction form
    424,397.02/636,875.97 = 199,821.67/x
  3. Step 3: Cross multiply
    424,397.02x = 636,875.97 × 199,821.67
  4. Step 4: Simplify right side
    424,397.02x = 127,261,619,908.27
  5. Step 5: Solve for x
    x = 127,261,619,908.27/424,397.02
  6. Step 6: Final answer
    x = 299,864.55

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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.