Home / 315,734.88-473,676.29-215,942.07

Finding the Fourth Proportional to 315,734.88, 473,676.29 and 215,942.07

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Solution

The fourth proportional to 315,734.88, 473,676.29 and 215,942.07 is: 323,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,734.88 : 473,676.29 = 215,942.07 : x
  2. Step 2: Convert to fraction form
    315,734.88/473,676.29 = 215,942.07/x
  3. Step 3: Cross multiply
    315,734.88x = 473,676.29 × 215,942.07
  4. Step 4: Simplify right side
    315,734.88x = 102,286,637,492.81
  5. Step 5: Solve for x
    x = 102,286,637,492.81/315,734.88
  6. Step 6: Final answer
    x = 323,963.69

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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.