Finding the Fourth Proportional to 359,981.24, 496,779.36 and 209,078.24
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Solution
The fourth proportional to 359,981.24, 496,779.36 and 209,078.24 is: 288,531.02
Step by Step Solution
- Step 1: Write the proportion equation
359,981.24 : 496,779.36 = 209,078.24 : x - Step 2: Convert to fraction form
359,981.24/496,779.36 = 209,078.24/x - Step 3: Cross multiply
359,981.24x = 496,779.36 × 209,078.24 - Step 4: Simplify right side
359,981.24x = 103,865,754,257.13 - Step 5: Solve for x
x = 103,865,754,257.13/359,981.24 - Step 6: Final answer
x = 288,531.02
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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.