Home / 315,929.22-473,746.38-105,419.94

Finding the Fourth Proportional to 315,929.22, 473,746.38 and 105,419.94

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Solution

The fourth proportional to 315,929.22, 473,746.38 and 105,419.94 is: 158,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,929.22 : 473,746.38 = 105,419.94 : x
  2. Step 2: Convert to fraction form
    315,929.22/473,746.38 = 105,419.94/x
  3. Step 3: Cross multiply
    315,929.22x = 473,746.38 × 105,419.94
  4. Step 4: Simplify right side
    315,929.22x = 49,942,314,954.82
  5. Step 5: Solve for x
    x = 49,942,314,954.82/315,929.22
  6. Step 6: Final answer
    x = 158,080.71

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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.