Home / 336,014.40-504,021.60-309,187.20

Finding the Fourth Proportional to 336,014.40, 504,021.60 and 309,187.20

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Solution

The fourth proportional to 336,014.40, 504,021.60 and 309,187.20 is: 463,780.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,014.40 : 504,021.60 = 309,187.20 : x
  2. Step 2: Convert to fraction form
    336,014.40/504,021.60 = 309,187.20/x
  3. Step 3: Cross multiply
    336,014.40x = 504,021.60 × 309,187.20
  4. Step 4: Simplify right side
    336,014.40x = 155,837,027,243.52
  5. Step 5: Solve for x
    x = 155,837,027,243.52/336,014.40
  6. Step 6: Final answer
    x = 463,780.80

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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.