Home / 419,025.48-578,268.21-237,745.05

Finding the Fourth Proportional to 419,025.48, 578,268.21 and 237,745.05

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Solution

The fourth proportional to 419,025.48, 578,268.21 and 237,745.05 is: 328,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,025.48 : 578,268.21 = 237,745.05 : x
  2. Step 2: Convert to fraction form
    419,025.48/578,268.21 = 237,745.05/x
  3. Step 3: Cross multiply
    419,025.48x = 578,268.21 × 237,745.05
  4. Step 4: Simplify right side
    419,025.48x = 137,480,404,499.86
  5. Step 5: Solve for x
    x = 137,480,404,499.86/419,025.48
  6. Step 6: Final answer
    x = 328,095.57

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1.5x scale

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.