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Finding the Fourth Proportional to 218,930.07, 302,124.03 and 118,328.07

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Solution

The fourth proportional to 218,930.07, 302,124.03 and 118,328.07 is: 163,293.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,930.07 : 302,124.03 = 118,328.07 : x
  2. Step 2: Convert to fraction form
    218,930.07/302,124.03 = 118,328.07/x
  3. Step 3: Cross multiply
    218,930.07x = 302,124.03 × 118,328.07
  4. Step 4: Simplify right side
    218,930.07x = 35,749,753,370.52
  5. Step 5: Solve for x
    x = 35,749,753,370.52/218,930.07
  6. Step 6: Final answer
    x = 163,293.02

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1.5x scale

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.