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Finding the Fourth Proportional to 235,404, 353,106 and 60,300

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Solution

The fourth proportional to 235,404, 353,106 and 60,300 is: 90,450

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,404 : 353,106 = 60,300 : x
  2. Step 2: Convert to fraction form
    235,404/353,106 = 60,300/x
  3. Step 3: Cross multiply
    235,404x = 353,106 × 60,300
  4. Step 4: Simplify right side
    235,404x = 21,292,291,800
  5. Step 5: Solve for x
    x = 21,292,291,800/235,404
  6. Step 6: Final answer
    x = 90,450

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.