Home / 875,172.16-1,312,757.92-210,324.16

Finding the Fourth Proportional to 875,172.16, 1,312,757.92 and 210,324.16

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Solution

The fourth proportional to 875,172.16, 1,312,757.92 and 210,324.16 is: 315,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,172.16 : 1,312,757.92 = 210,324.16 : x
  2. Step 2: Convert to fraction form
    875,172.16/1,312,757.92 = 210,324.16/x
  3. Step 3: Cross multiply
    875,172.16x = 1,312,757.92 × 210,324.16
  4. Step 4: Simplify right side
    875,172.16x = 276,104,706,807.35
  5. Step 5: Solve for x
    x = 276,104,706,807.35/875,172.16
  6. Step 6: Final answer
    x = 315,486.16

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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.