Home / 233,985.60-349,954.40-209,204.80

Finding the Fourth Proportional to 233,985.60, 349,954.40 and 209,204.80

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Solution

The fourth proportional to 233,985.60, 349,954.40 and 209,204.80 is: 312,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,985.60 : 349,954.40 = 209,204.80 : x
  2. Step 2: Convert to fraction form
    233,985.60/349,954.40 = 209,204.80/x
  3. Step 3: Cross multiply
    233,985.60x = 349,954.40 × 209,204.80
  4. Step 4: Simplify right side
    233,985.60x = 73,212,140,261.12
  5. Step 5: Solve for x
    x = 73,212,140,261.12/233,985.60
  6. Step 6: Final answer
    x = 312,891.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.