Home / 427,398.32-589,772.94-236,364.16

Finding the Fourth Proportional to 427,398.32, 589,772.94 and 236,364.16

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Solution

The fourth proportional to 427,398.32, 589,772.94 and 236,364.16 is: 326,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,398.32 : 589,772.94 = 236,364.16 : x
  2. Step 2: Convert to fraction form
    427,398.32/589,772.94 = 236,364.16/x
  3. Step 3: Cross multiply
    427,398.32x = 589,772.94 × 236,364.16
  4. Step 4: Simplify right side
    427,398.32x = 139,401,185,553.83
  5. Step 5: Solve for x
    x = 139,401,185,553.83/427,398.32
  6. Step 6: Final answer
    x = 326,162.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.