Home / 315,819.78-473,804.03-102,587.03

Finding the Fourth Proportional to 315,819.78, 473,804.03 and 102,587.03

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Solution

The fourth proportional to 315,819.78, 473,804.03 and 102,587.03 is: 153,904.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,819.78 : 473,804.03 = 102,587.03 : x
  2. Step 2: Convert to fraction form
    315,819.78/473,804.03 = 102,587.03/x
  3. Step 3: Cross multiply
    315,819.78x = 473,804.03 × 102,587.03
  4. Step 4: Simplify right side
    315,819.78x = 48,606,145,357.78
  5. Step 5: Solve for x
    x = 48,606,145,357.78/315,819.78
  6. Step 6: Final answer
    x = 153,904.69

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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.