Home / 371,401.08-512,565.21-210,284.52

Finding the Fourth Proportional to 371,401.08, 512,565.21 and 210,284.52

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Solution

The fourth proportional to 371,401.08, 512,565.21 and 210,284.52 is: 290,210.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,401.08 : 512,565.21 = 210,284.52 : x
  2. Step 2: Convert to fraction form
    371,401.08/512,565.21 = 210,284.52/x
  3. Step 3: Cross multiply
    371,401.08x = 512,565.21 × 210,284.52
  4. Step 4: Simplify right side
    371,401.08x = 107,784,529,153.55
  5. Step 5: Solve for x
    x = 107,784,529,153.55/371,401.08
  6. Step 6: Final answer
    x = 290,210.60

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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.