Finding the Fourth Proportional to 643,690.88, 965,159.88 and 194,276.96
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Solution
The fourth proportional to 643,690.88, 965,159.88 and 194,276.96 is: 291,301.82
Step by Step Solution
- Step 1: Write the proportion equation
643,690.88 : 965,159.88 = 194,276.96 : x - Step 2: Convert to fraction form
643,690.88/965,159.88 = 194,276.96/x - Step 3: Cross multiply
643,690.88x = 965,159.88 × 194,276.96 - Step 4: Simplify right side
643,690.88x = 187,508,327,400.37 - Step 5: Solve for x
x = 187,508,327,400.37/643,690.88 - Step 6: Final answer
x = 291,301.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.