Home / 187,214.40-280,821.60-183,715.20

Finding the Fourth Proportional to 187,214.40, 280,821.60 and 183,715.20

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Solution

The fourth proportional to 187,214.40, 280,821.60 and 183,715.20 is: 275,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,214.40 : 280,821.60 = 183,715.20 : x
  2. Step 2: Convert to fraction form
    187,214.40/280,821.60 = 183,715.20/x
  3. Step 3: Cross multiply
    187,214.40x = 280,821.60 × 183,715.20
  4. Step 4: Simplify right side
    187,214.40x = 51,591,196,408.32
  5. Step 5: Solve for x
    x = 51,591,196,408.32/187,214.40
  6. Step 6: Final answer
    x = 275,572.80

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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.