Home / 209,312.37-288,842.28-118,674.44

Finding the Fourth Proportional to 209,312.37, 288,842.28 and 118,674.44

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Solution

The fourth proportional to 209,312.37, 288,842.28 and 118,674.44 is: 163,765.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,312.37 : 288,842.28 = 118,674.44 : x
  2. Step 2: Convert to fraction form
    209,312.37/288,842.28 = 118,674.44/x
  3. Step 3: Cross multiply
    209,312.37x = 288,842.28 × 118,674.44
  4. Step 4: Simplify right side
    209,312.37x = 34,278,194,383.11
  5. Step 5: Solve for x
    x = 34,278,194,383.11/209,312.37
  6. Step 6: Final answer
    x = 163,765.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.