Home / 229,246.60-343,869.90-216,999.40

Finding the Fourth Proportional to 229,246.60, 343,869.90 and 216,999.40

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Solution

The fourth proportional to 229,246.60, 343,869.90 and 216,999.40 is: 325,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,246.60 : 343,869.90 = 216,999.40 : x
  2. Step 2: Convert to fraction form
    229,246.60/343,869.90 = 216,999.40/x
  3. Step 3: Cross multiply
    229,246.60x = 343,869.90 × 216,999.40
  4. Step 4: Simplify right side
    229,246.60x = 74,619,561,978.06
  5. Step 5: Solve for x
    x = 74,619,561,978.06/229,246.60
  6. Step 6: Final answer
    x = 325,499.10

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1.5x scale

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.