Finding the Fourth Proportional to 389,048.84, 536,891.50 and 219,282.96
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Solution
The fourth proportional to 389,048.84, 536,891.50 and 219,282.96 is: 302,612.80
Step by Step Solution
- Step 1: Write the proportion equation
389,048.84 : 536,891.50 = 219,282.96 : x - Step 2: Convert to fraction form
389,048.84/536,891.50 = 219,282.96/x - Step 3: Cross multiply
389,048.84x = 536,891.50 × 219,282.96 - Step 4: Simplify right side
389,048.84x = 117,731,157,318.84 - Step 5: Solve for x
x = 117,731,157,318.84/389,048.84 - Step 6: Final answer
x = 302,612.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.