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Finding the Fourth Proportional to 219,060, 302,302.80 and 118,458

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Solution

The fourth proportional to 219,060, 302,302.80 and 118,458 is: 163,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,060 : 302,302.80 = 118,458 : x
  2. Step 2: Convert to fraction form
    219,060/302,302.80 = 118,458/x
  3. Step 3: Cross multiply
    219,060x = 302,302.80 × 118,458
  4. Step 4: Simplify right side
    219,060x = 35,810,185,082.40
  5. Step 5: Solve for x
    x = 35,810,185,082.40/219,060
  6. Step 6: Final answer
    x = 163,472.04

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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.