Home / 247,122.11-370,299.77-171,368.40

Finding the Fourth Proportional to 247,122.11, 370,299.77 and 171,368.40

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Solution

The fourth proportional to 247,122.11, 370,299.77 and 171,368.40 is: 256,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,122.11 : 370,299.77 = 171,368.40 : x
  2. Step 2: Convert to fraction form
    247,122.11/370,299.77 = 171,368.40/x
  3. Step 3: Cross multiply
    247,122.11x = 370,299.77 × 171,368.40
  4. Step 4: Simplify right side
    247,122.11x = 63,457,678,248.43
  5. Step 5: Solve for x
    x = 63,457,678,248.43/247,122.11
  6. Step 6: Final answer
    x = 256,786.73

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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.