Home / 209,353.22-288,842.25-118,702.07

Finding the Fourth Proportional to 209,353.22, 288,842.25 and 118,702.07

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Solution

The fourth proportional to 209,353.22, 288,842.25 and 118,702.07 is: 163,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,353.22 : 288,842.25 = 118,702.07 : x
  2. Step 2: Convert to fraction form
    209,353.22/288,842.25 = 118,702.07/x
  3. Step 3: Cross multiply
    209,353.22x = 288,842.25 × 118,702.07
  4. Step 4: Simplify right side
    209,353.22x = 34,286,171,534.25
  5. Step 5: Solve for x
    x = 34,286,171,534.25/209,353.22
  6. Step 6: Final answer
    x = 163,771.89

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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.