Home / 289,635.04-434,451.67-73,493.35

Finding the Fourth Proportional to 289,635.04, 434,451.67 and 73,493.35

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Solution

The fourth proportional to 289,635.04, 434,451.67 and 73,493.35 is: 110,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,635.04 : 434,451.67 = 73,493.35 : x
  2. Step 2: Convert to fraction form
    289,635.04/434,451.67 = 73,493.35/x
  3. Step 3: Cross multiply
    289,635.04x = 434,451.67 × 73,493.35
  4. Step 4: Simplify right side
    289,635.04x = 31,929,308,641.39
  5. Step 5: Solve for x
    x = 31,929,308,641.39/289,635.04
  6. Step 6: Final answer
    x = 110,239.80

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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.