Finding the Fourth Proportional to 288,472.32, 432,931.68 and 188,605.44
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Solution
The fourth proportional to 288,472.32, 432,931.68 and 188,605.44 is: 283,054.09
Step by Step Solution
- Step 1: Write the proportion equation
288,472.32 : 432,931.68 = 188,605.44 : x - Step 2: Convert to fraction form
288,472.32/432,931.68 = 188,605.44/x - Step 3: Cross multiply
288,472.32x = 432,931.68 × 188,605.44 - Step 4: Simplify right side
288,472.32x = 81,653,269,996.34 - Step 5: Solve for x
x = 81,653,269,996.34/288,472.32 - Step 6: Final answer
x = 283,054.09
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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.