Finding the Fourth Proportional to 353,114.94, 529,506.54 and 128,316.84
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Solution
The fourth proportional to 353,114.94, 529,506.54 and 128,316.84 is: 192,414.99
Step by Step Solution
- Step 1: Write the proportion equation
353,114.94 : 529,506.54 = 128,316.84 : x - Step 2: Convert to fraction form
353,114.94/529,506.54 = 128,316.84/x - Step 3: Cross multiply
353,114.94x = 529,506.54 × 128,316.84 - Step 4: Simplify right side
353,114.94x = 67,944,605,972.13 - Step 5: Solve for x
x = 67,944,605,972.13/353,114.94 - Step 6: Final answer
x = 192,414.99
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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.