Finding the Fourth Proportional to 288,701.64, 432,928.67 and 99,181.08
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Solution
The fourth proportional to 288,701.64, 432,928.67 and 99,181.08 is: 148,729.09
Step by Step Solution
- Step 1: Write the proportion equation
288,701.64 : 432,928.67 = 99,181.08 : x - Step 2: Convert to fraction form
288,701.64/432,928.67 = 99,181.08/x - Step 3: Cross multiply
288,701.64x = 432,928.67 × 99,181.08 - Step 4: Simplify right side
288,701.64x = 42,938,332,557.66 - Step 5: Solve for x
x = 42,938,332,557.66/288,701.64 - Step 6: Final answer
x = 148,729.09
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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.