Finding the Fourth Proportional to 229,054.08, 316,093.68 and 128,452.08
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Solution
The fourth proportional to 229,054.08, 316,093.68 and 128,452.08 is: 177,263.34
Step by Step Solution
- Step 1: Write the proportion equation
229,054.08 : 316,093.68 = 128,452.08 : x - Step 2: Convert to fraction form
229,054.08/316,093.68 = 128,452.08/x - Step 3: Cross multiply
229,054.08x = 316,093.68 × 128,452.08 - Step 4: Simplify right side
229,054.08x = 40,602,890,670.85 - Step 5: Solve for x
x = 40,602,890,670.85/229,054.08 - Step 6: Final answer
x = 177,263.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.