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Finding the Fourth Proportional to 314,077.60, 470,958.72 and 145,452.88

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Solution

The fourth proportional to 314,077.60, 470,958.72 and 145,452.88 is: 218,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,077.60 : 470,958.72 = 145,452.88 : x
  2. Step 2: Convert to fraction form
    314,077.60/470,958.72 = 145,452.88/x
  3. Step 3: Cross multiply
    314,077.60x = 470,958.72 × 145,452.88
  4. Step 4: Simplify right side
    314,077.60x = 68,502,302,185.11
  5. Step 5: Solve for x
    x = 68,502,302,185.11/314,077.60
  6. Step 6: Final answer
    x = 218,106.30

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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.