Home / 367,823.06-507,655.98-306,471.90

Finding the Fourth Proportional to 367,823.06, 507,655.98 and 306,471.90

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Solution

The fourth proportional to 367,823.06, 507,655.98 and 306,471.90 is: 422,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,823.06 : 507,655.98 = 306,471.90 : x
  2. Step 2: Convert to fraction form
    367,823.06/507,655.98 = 306,471.90/x
  3. Step 3: Cross multiply
    367,823.06x = 507,655.98 × 306,471.90
  4. Step 4: Simplify right side
    367,823.06x = 155,582,292,736.96
  5. Step 5: Solve for x
    x = 155,582,292,736.96/367,823.06
  6. Step 6: Final answer
    x = 422,981.35

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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.