Home / 314,905.80-472,358.70-188,934.60

Finding the Fourth Proportional to 314,905.80, 472,358.70 and 188,934.60

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Solution

The fourth proportional to 314,905.80, 472,358.70 and 188,934.60 is: 283,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,905.80 : 472,358.70 = 188,934.60 : x
  2. Step 2: Convert to fraction form
    314,905.80/472,358.70 = 188,934.60/x
  3. Step 3: Cross multiply
    314,905.80x = 472,358.70 × 188,934.60
  4. Step 4: Simplify right side
    314,905.80x = 89,244,902,041.02
  5. Step 5: Solve for x
    x = 89,244,902,041.02/314,905.80
  6. Step 6: Final answer
    x = 283,401.90

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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.