Finding the Fourth Proportional to 229,612.84, 344,356.80 and 145,246.36
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Solution
The fourth proportional to 229,612.84, 344,356.80 and 145,246.36 is: 217,830.03
Step by Step Solution
- Step 1: Write the proportion equation
229,612.84 : 344,356.80 = 145,246.36 : x - Step 2: Convert to fraction form
229,612.84/344,356.80 = 145,246.36/x - Step 3: Cross multiply
229,612.84x = 344,356.80 × 145,246.36 - Step 4: Simplify right side
229,612.84x = 50,016,571,741.25 - Step 5: Solve for x
x = 50,016,571,741.25/229,612.84 - Step 6: Final answer
x = 217,830.03
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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.