Finding the Fourth Proportional to 437,225.58, 655,838.37 and 121,707.09
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Solution
The fourth proportional to 437,225.58, 655,838.37 and 121,707.09 is: 182,560.64
Step by Step Solution
- Step 1: Write the proportion equation
437,225.58 : 655,838.37 = 121,707.09 : x - Step 2: Convert to fraction form
437,225.58/655,838.37 = 121,707.09/x - Step 3: Cross multiply
437,225.58x = 655,838.37 × 121,707.09 - Step 4: Simplify right side
437,225.58x = 79,820,179,523.04 - Step 5: Solve for x
x = 79,820,179,523.04/437,225.58 - Step 6: Final answer
x = 182,560.64
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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.