Home / 397,746.18-549,077.40-254,589.21

Finding the Fourth Proportional to 397,746.18, 549,077.40 and 254,589.21

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Solution

The fourth proportional to 397,746.18, 549,077.40 and 254,589.21 is: 351,453.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,746.18 : 549,077.40 = 254,589.21 : x
  2. Step 2: Convert to fraction form
    397,746.18/549,077.40 = 254,589.21/x
  3. Step 3: Cross multiply
    397,746.18x = 549,077.40 × 254,589.21
  4. Step 4: Simplify right side
    397,746.18x = 139,789,181,494.85
  5. Step 5: Solve for x
    x = 139,789,181,494.85/397,746.18
  6. Step 6: Final answer
    x = 351,453.23

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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.