Home / 209,950.22-314,924.16-52,178.60

Finding the Fourth Proportional to 209,950.22, 314,924.16 and 52,178.60

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Solution

The fourth proportional to 209,950.22, 314,924.16 and 52,178.60 is: 78,267.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,950.22 : 314,924.16 = 52,178.60 : x
  2. Step 2: Convert to fraction form
    209,950.22/314,924.16 = 52,178.60/x
  3. Step 3: Cross multiply
    209,950.22x = 314,924.16 × 52,178.60
  4. Step 4: Simplify right side
    209,950.22x = 16,432,301,774.98
  5. Step 5: Solve for x
    x = 16,432,301,774.98/209,950.22
  6. Step 6: Final answer
    x = 78,267.61

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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.