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Finding the Fourth Proportional to 313,951.53, 470,927.39 and 92,335.53

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Solution

The fourth proportional to 313,951.53, 470,927.39 and 92,335.53 is: 138,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,951.53 : 470,927.39 = 92,335.53 : x
  2. Step 2: Convert to fraction form
    313,951.53/470,927.39 = 92,335.53/x
  3. Step 3: Cross multiply
    313,951.53x = 470,927.39 × 92,335.53
  4. Step 4: Simplify right side
    313,951.53x = 43,483,329,685.49
  5. Step 5: Solve for x
    x = 43,483,329,685.49/313,951.53
  6. Step 6: Final answer
    x = 138,503.32

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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.