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Finding the Fourth Proportional to 302,546.60, 453,819.90 and 208,068.20

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Solution

The fourth proportional to 302,546.60, 453,819.90 and 208,068.20 is: 312,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,546.60 : 453,819.90 = 208,068.20 : x
  2. Step 2: Convert to fraction form
    302,546.60/453,819.90 = 208,068.20/x
  3. Step 3: Cross multiply
    302,546.60x = 453,819.90 × 208,068.20
  4. Step 4: Simplify right side
    302,546.60x = 94,425,489,717.18
  5. Step 5: Solve for x
    x = 94,425,489,717.18/302,546.60
  6. Step 6: Final answer
    x = 312,102.30

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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.