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Finding the Fourth Proportional to 301,008.60, 451,512.90 and 286,246.35

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Solution

The fourth proportional to 301,008.60, 451,512.90 and 286,246.35 is: 429,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,008.60 : 451,512.90 = 286,246.35 : x
  2. Step 2: Convert to fraction form
    301,008.60/451,512.90 = 286,246.35/x
  3. Step 3: Cross multiply
    301,008.60x = 451,512.90 × 286,246.35
  4. Step 4: Simplify right side
    301,008.60x = 129,243,919,602.92
  5. Step 5: Solve for x
    x = 129,243,919,602.92/301,008.60
  6. Step 6: Final answer
    x = 429,369.53

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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.