Finding the Fourth Proportional to 288,212.92, 432,023.94 and 119,830.96
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Solution
The fourth proportional to 288,212.92, 432,023.94 and 119,830.96 is: 179,623.60
Step by Step Solution
- Step 1: Write the proportion equation
288,212.92 : 432,023.94 = 119,830.96 : x - Step 2: Convert to fraction form
288,212.92/432,023.94 = 119,830.96/x - Step 3: Cross multiply
288,212.92x = 432,023.94 × 119,830.96 - Step 4: Simplify right side
288,212.92x = 51,769,843,473.18 - Step 5: Solve for x
x = 51,769,843,473.18/288,212.92 - Step 6: Final answer
x = 179,623.60
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1.5x scale
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.