Finding the Fourth Proportional to 859,239.03, 1,288,858.34 and 219,543.96
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Solution
The fourth proportional to 859,239.03, 1,288,858.34 and 219,543.96 is: 329,315.89
Step by Step Solution
- Step 1: Write the proportion equation
859,239.03 : 1,288,858.34 = 219,543.96 : x - Step 2: Convert to fraction form
859,239.03/1,288,858.34 = 219,543.96/x - Step 3: Cross multiply
859,239.03x = 1,288,858.34 × 219,543.96 - Step 4: Simplify right side
859,239.03x = 282,961,063,842.63 - Step 5: Solve for x
x = 282,961,063,842.63/859,239.03 - Step 6: Final answer
x = 329,315.89
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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.