Finding the Fourth Proportional to 288,428.84, 432,914.63 and 146,376.08
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Solution
The fourth proportional to 288,428.84, 432,914.63 and 146,376.08 is: 219,701.84
Step by Step Solution
- Step 1: Write the proportion equation
288,428.84 : 432,914.63 = 146,376.08 : x - Step 2: Convert to fraction form
288,428.84/432,914.63 = 146,376.08/x - Step 3: Cross multiply
288,428.84x = 432,914.63 × 146,376.08 - Step 4: Simplify right side
288,428.84x = 63,368,346,514.05 - Step 5: Solve for x
x = 63,368,346,514.05/288,428.84 - Step 6: Final answer
x = 219,701.84
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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.