Home / 397,847.48-549,044.06-216,550.64

Finding the Fourth Proportional to 397,847.48, 549,044.06 and 216,550.64

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Solution

The fourth proportional to 397,847.48, 549,044.06 and 216,550.64 is: 298,847.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,847.48 : 549,044.06 = 216,550.64 : x
  2. Step 2: Convert to fraction form
    397,847.48/549,044.06 = 216,550.64/x
  3. Step 3: Cross multiply
    397,847.48x = 549,044.06 × 216,550.64
  4. Step 4: Simplify right side
    397,847.48x = 118,895,842,871.06
  5. Step 5: Solve for x
    x = 118,895,842,871.06/397,847.48
  6. Step 6: Final answer
    x = 298,847.80

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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.