Finding the Fourth Proportional to 353,857.84, 488,320.41 and 192,715.59
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Solution
The fourth proportional to 353,857.84, 488,320.41 and 192,715.59 is: 265,945.66
Step by Step Solution
- Step 1: Write the proportion equation
353,857.84 : 488,320.41 = 192,715.59 : x - Step 2: Convert to fraction form
353,857.84/488,320.41 = 192,715.59/x - Step 3: Cross multiply
353,857.84x = 488,320.41 × 192,715.59 - Step 4: Simplify right side
353,857.84x = 94,106,955,922.19 - Step 5: Solve for x
x = 94,106,955,922.19/353,857.84 - Step 6: Final answer
x = 265,945.66
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1.5x scale
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.