Home / 315,002.22-434,687.31-179,018.20

Finding the Fourth Proportional to 315,002.22, 434,687.31 and 179,018.20

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Solution

The fourth proportional to 315,002.22, 434,687.31 and 179,018.20 is: 247,036.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,002.22 : 434,687.31 = 179,018.20 : x
  2. Step 2: Convert to fraction form
    315,002.22/434,687.31 = 179,018.20/x
  3. Step 3: Cross multiply
    315,002.22x = 434,687.31 × 179,018.20
  4. Step 4: Simplify right side
    315,002.22x = 77,816,940,342.40
  5. Step 5: Solve for x
    x = 77,816,940,342.40/315,002.22
  6. Step 6: Final answer
    x = 247,036.17

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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.