Home / 278,126.79-383,673.69-175,980.12

Finding the Fourth Proportional to 278,126.79, 383,673.69 and 175,980.12

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Solution

The fourth proportional to 278,126.79, 383,673.69 and 175,980.12 is: 242,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,126.79 : 383,673.69 = 175,980.12 : x
  2. Step 2: Convert to fraction form
    278,126.79/383,673.69 = 175,980.12/x
  3. Step 3: Cross multiply
    278,126.79x = 383,673.69 × 175,980.12
  4. Step 4: Simplify right side
    278,126.79x = 67,518,942,007.04
  5. Step 5: Solve for x
    x = 67,518,942,007.04/278,126.79
  6. Step 6: Final answer
    x = 242,763.17

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1.5x scale

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.