Home / 371,405.08-512,570.73-210,288.52

Finding the Fourth Proportional to 371,405.08, 512,570.73 and 210,288.52

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Solution

The fourth proportional to 371,405.08, 512,570.73 and 210,288.52 is: 290,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,405.08 : 512,570.73 = 210,288.52 : x
  2. Step 2: Convert to fraction form
    371,405.08/512,570.73 = 210,288.52/x
  3. Step 3: Cross multiply
    371,405.08x = 512,570.73 × 210,288.52
  4. Step 4: Simplify right side
    371,405.08x = 107,787,740,207.02
  5. Step 5: Solve for x
    x = 107,787,740,207.02/371,405.08
  6. Step 6: Final answer
    x = 290,216.12

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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.