Finding the Fourth Proportional to 328,302.24, 492,475.26 and 103,671.84
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Solution
The fourth proportional to 328,302.24, 492,475.26 and 103,671.84 is: 155,514.68
Step by Step Solution
- Step 1: Write the proportion equation
328,302.24 : 492,475.26 = 103,671.84 : x - Step 2: Convert to fraction form
328,302.24/492,475.26 = 103,671.84/x - Step 3: Cross multiply
328,302.24x = 492,475.26 × 103,671.84 - Step 4: Simplify right side
328,302.24x = 51,055,816,358.68 - Step 5: Solve for x
x = 51,055,816,358.68/328,302.24 - Step 6: Final answer
x = 155,514.68
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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.