Home / 397,982.64-549,203.40-236,800.80

Finding the Fourth Proportional to 397,982.64, 549,203.40 and 236,800.80

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Solution

The fourth proportional to 397,982.64, 549,203.40 and 236,800.80 is: 326,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,982.64 : 549,203.40 = 236,800.80 : x
  2. Step 2: Convert to fraction form
    397,982.64/549,203.40 = 236,800.80/x
  3. Step 3: Cross multiply
    397,982.64x = 549,203.40 × 236,800.80
  4. Step 4: Simplify right side
    397,982.64x = 130,051,804,482.72
  5. Step 5: Solve for x
    x = 130,051,804,482.72/397,982.64
  6. Step 6: Final answer
    x = 326,777.58

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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.