Finding the Fourth Proportional to 736,612.55, 1,104,913.96 and 189,504.12
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Solution
The fourth proportional to 736,612.55, 1,104,913.96 and 189,504.12 is: 284,254.93
Step by Step Solution
- Step 1: Write the proportion equation
736,612.55 : 1,104,913.96 = 189,504.12 : x - Step 2: Convert to fraction form
736,612.55/1,104,913.96 = 189,504.12/x - Step 3: Cross multiply
736,612.55x = 1,104,913.96 × 189,504.12 - Step 4: Simplify right side
736,612.55x = 209,385,747,191.76 - Step 5: Solve for x
x = 209,385,747,191.76/736,612.55 - Step 6: Final answer
x = 284,254.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.