Home / 336,421.60-504,632.40-212,005.60

Finding the Fourth Proportional to 336,421.60, 504,632.40 and 212,005.60

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Solution

The fourth proportional to 336,421.60, 504,632.40 and 212,005.60 is: 318,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,421.60 : 504,632.40 = 212,005.60 : x
  2. Step 2: Convert to fraction form
    336,421.60/504,632.40 = 212,005.60/x
  3. Step 3: Cross multiply
    336,421.60x = 504,632.40 × 212,005.60
  4. Step 4: Simplify right side
    336,421.60x = 106,984,894,741.44
  5. Step 5: Solve for x
    x = 106,984,894,741.44/336,421.60
  6. Step 6: Final answer
    x = 318,008.40

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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.