Home / 382,631.14-528,035.77-210,568.92

Finding the Fourth Proportional to 382,631.14, 528,035.77 and 210,568.92

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Solution

The fourth proportional to 382,631.14, 528,035.77 and 210,568.92 is: 290,587.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,631.14 : 528,035.77 = 210,568.92 : x
  2. Step 2: Convert to fraction form
    382,631.14/528,035.77 = 210,568.92/x
  3. Step 3: Cross multiply
    382,631.14x = 528,035.77 × 210,568.92
  4. Step 4: Simplify right side
    382,631.14x = 111,187,920,389.46
  5. Step 5: Solve for x
    x = 111,187,920,389.46/382,631.14
  6. Step 6: Final answer
    x = 290,587.74

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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.