Home / 219,247.40-302,561.25-118,645.40

Finding the Fourth Proportional to 219,247.40, 302,561.25 and 118,645.40

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Solution

The fourth proportional to 219,247.40, 302,561.25 and 118,645.40 is: 163,730.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,247.40 : 302,561.25 = 118,645.40 : x
  2. Step 2: Convert to fraction form
    219,247.40/302,561.25 = 118,645.40/x
  3. Step 3: Cross multiply
    219,247.40x = 302,561.25 × 118,645.40
  4. Step 4: Simplify right side
    219,247.40x = 35,897,500,842.23
  5. Step 5: Solve for x
    x = 35,897,500,842.23/219,247.40
  6. Step 6: Final answer
    x = 163,730.56

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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.