Finding the Fourth Proportional to 228,330.61, 342,394.66 and 121,694.70
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Solution
The fourth proportional to 228,330.61, 342,394.66 and 121,694.70 is: 182,488.08
Step by Step Solution
- Step 1: Write the proportion equation
228,330.61 : 342,394.66 = 121,694.70 : x - Step 2: Convert to fraction form
228,330.61/342,394.66 = 121,694.70/x - Step 3: Cross multiply
228,330.61x = 342,394.66 × 121,694.70 - Step 4: Simplify right side
228,330.61x = 41,667,615,430.30 - Step 5: Solve for x
x = 41,667,615,430.30/228,330.61 - Step 6: Final answer
x = 182,488.08
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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.