Home / 268,487.18-370,513.67-147,636.26

Finding the Fourth Proportional to 268,487.18, 370,513.67 and 147,636.26

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Solution

The fourth proportional to 268,487.18, 370,513.67 and 147,636.26 is: 203,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,487.18 : 370,513.67 = 147,636.26 : x
  2. Step 2: Convert to fraction form
    268,487.18/370,513.67 = 147,636.26/x
  3. Step 3: Cross multiply
    268,487.18x = 370,513.67 × 147,636.26
  4. Step 4: Simplify right side
    268,487.18x = 54,701,249,926.92
  5. Step 5: Solve for x
    x = 54,701,249,926.92/268,487.18
  6. Step 6: Final answer
    x = 203,738.78

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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.