Finding the Fourth Proportional to 229,386.08, 344,079.12 and 71,628.06
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Solution
The fourth proportional to 229,386.08, 344,079.12 and 71,628.06 is: 107,442.09
Step by Step Solution
- Step 1: Write the proportion equation
229,386.08 : 344,079.12 = 71,628.06 : x - Step 2: Convert to fraction form
229,386.08/344,079.12 = 71,628.06/x - Step 3: Cross multiply
229,386.08x = 344,079.12 × 71,628.06 - Step 4: Simplify right side
229,386.08x = 24,645,719,852.11 - Step 5: Solve for x
x = 24,645,719,852.11/229,386.08 - Step 6: Final answer
x = 107,442.09
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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.