Finding the Fourth Proportional to 675,416.24, 932,081.76 and 369,486.03
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Solution
The fourth proportional to 675,416.24, 932,081.76 and 369,486.03 is: 509,894.75
Step by Step Solution
- Step 1: Write the proportion equation
675,416.24 : 932,081.76 = 369,486.03 : x - Step 2: Convert to fraction form
675,416.24/932,081.76 = 369,486.03/x - Step 3: Cross multiply
675,416.24x = 932,081.76 × 369,486.03 - Step 4: Simplify right side
675,416.24x = 344,391,189,137.81 - Step 5: Solve for x
x = 344,391,189,137.81/675,416.24 - Step 6: Final answer
x = 509,894.75
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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.