Finding the Fourth Proportional to 769,509.84, 1,154,391.12 and 237,019.12
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Solution
The fourth proportional to 769,509.84, 1,154,391.12 and 237,019.12 is: 355,567.60
Step by Step Solution
- Step 1: Write the proportion equation
769,509.84 : 1,154,391.12 = 237,019.12 : x - Step 2: Convert to fraction form
769,509.84/1,154,391.12 = 237,019.12/x - Step 3: Cross multiply
769,509.84x = 1,154,391.12 × 237,019.12 - Step 4: Simplify right side
769,509.84x = 273,612,767,398.21 - Step 5: Solve for x
x = 273,612,767,398.21/769,509.84 - Step 6: Final answer
x = 355,567.60
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1.5x scale
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.