Finding the Fourth Proportional to 153,246.71, 229,867.76 and 68,947.35
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Solution
The fourth proportional to 153,246.71, 229,867.76 and 68,947.35 is: 103,419.99
Step by Step Solution
- Step 1: Write the proportion equation
153,246.71 : 229,867.76 = 68,947.35 : x - Step 2: Convert to fraction form
153,246.71/229,867.76 = 68,947.35/x - Step 3: Cross multiply
153,246.71x = 229,867.76 × 68,947.35 - Step 4: Simplify right side
153,246.71x = 15,848,772,902.44 - Step 5: Solve for x
x = 15,848,772,902.44/153,246.71 - Step 6: Final answer
x = 103,419.99
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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.