Finding the Fourth Proportional to 291,565.44, 402,378.84 and 219,818.88
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Solution
The fourth proportional to 291,565.44, 402,378.84 and 219,818.88 is: 303,364.03
Step by Step Solution
- Step 1: Write the proportion equation
291,565.44 : 402,378.84 = 219,818.88 : x - Step 2: Convert to fraction form
291,565.44/402,378.84 = 219,818.88/x - Step 3: Cross multiply
291,565.44x = 402,378.84 × 219,818.88 - Step 4: Simplify right side
291,565.44x = 88,450,465,944.50 - Step 5: Solve for x
x = 88,450,465,944.50/291,565.44 - Step 6: Final answer
x = 303,364.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.