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Finding the Fourth Proportional to 219,368.25, 302,728.32 and 118,766.25

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Solution

The fourth proportional to 219,368.25, 302,728.32 and 118,766.25 is: 163,897.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,368.25 : 302,728.32 = 118,766.25 : x
  2. Step 2: Convert to fraction form
    219,368.25/302,728.32 = 118,766.25/x
  3. Step 3: Cross multiply
    219,368.25x = 302,728.32 × 118,766.25
  4. Step 4: Simplify right side
    219,368.25x = 35,953,907,335.20
  5. Step 5: Solve for x
    x = 35,953,907,335.20/219,368.25
  6. Step 6: Final answer
    x = 163,897.50

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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.