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Finding the Fourth Proportional to 219,112.89, 302,375.79 and 118,510.89

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Solution

The fourth proportional to 219,112.89, 302,375.79 and 118,510.89 is: 163,545.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,112.89 : 302,375.79 = 118,510.89 : x
  2. Step 2: Convert to fraction form
    219,112.89/302,375.79 = 118,510.89/x
  3. Step 3: Cross multiply
    219,112.89x = 302,375.79 × 118,510.89
  4. Step 4: Simplify right side
    219,112.89x = 35,834,823,987.35
  5. Step 5: Solve for x
    x = 35,834,823,987.35/219,112.89
  6. Step 6: Final answer
    x = 163,545.03

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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.