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Finding the Fourth Proportional to 268,185.62, 402,444.54 and 155,918.67

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Solution

The fourth proportional to 268,185.62, 402,444.54 and 155,918.67 is: 233,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,185.62 : 402,444.54 = 155,918.67 : x
  2. Step 2: Convert to fraction form
    268,185.62/402,444.54 = 155,918.67/x
  3. Step 3: Cross multiply
    268,185.62x = 402,444.54 × 155,918.67
  4. Step 4: Simplify right side
    268,185.62x = 62,748,617,425.56
  5. Step 5: Solve for x
    x = 62,748,617,425.56/268,185.62
  6. Step 6: Final answer
    x = 233,974.58

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1.5x scale

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.