Finding the Fourth Proportional to 614,153.19, 847,509.84 and 342,207.03
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Solution
The fourth proportional to 614,153.19, 847,509.84 and 342,207.03 is: 472,233.69
Step by Step Solution
- Step 1: Write the proportion equation
614,153.19 : 847,509.84 = 342,207.03 : x - Step 2: Convert to fraction form
614,153.19/847,509.84 = 342,207.03/x - Step 3: Cross multiply
614,153.19x = 847,509.84 × 342,207.03 - Step 4: Simplify right side
614,153.19x = 290,023,825,242.18 - Step 5: Solve for x
x = 290,023,825,242.18/614,153.19 - Step 6: Final answer
x = 472,233.69
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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.