Home / 301,009.60-451,514.40-286,247.35

Finding the Fourth Proportional to 301,009.60, 451,514.40 and 286,247.35

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Solution

The fourth proportional to 301,009.60, 451,514.40 and 286,247.35 is: 429,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,009.60 : 451,514.40 = 286,247.35 : x
  2. Step 2: Convert to fraction form
    301,009.60/451,514.40 = 286,247.35/x
  3. Step 3: Cross multiply
    301,009.60x = 451,514.40 × 286,247.35
  4. Step 4: Simplify right side
    301,009.60x = 129,244,800,486.84
  5. Step 5: Solve for x
    x = 129,244,800,486.84/301,009.60
  6. Step 6: Final answer
    x = 429,371.03

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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.