Home / 353,386.35-530,072.66-100,668.47

Finding the Fourth Proportional to 353,386.35, 530,072.66 and 100,668.47

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Solution

The fourth proportional to 353,386.35, 530,072.66 and 100,668.47 is: 151,000.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,386.35 : 530,072.66 = 100,668.47 : x
  2. Step 2: Convert to fraction form
    353,386.35/530,072.66 = 100,668.47/x
  3. Step 3: Cross multiply
    353,386.35x = 530,072.66 × 100,668.47
  4. Step 4: Simplify right side
    353,386.35x = 53,361,601,272.34
  5. Step 5: Solve for x
    x = 53,361,601,272.34/353,386.35
  6. Step 6: Final answer
    x = 151,000.74

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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.