Finding the Fourth Proportional to 368,636.19, 508,717.78 and 207,492.09
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Solution
The fourth proportional to 368,636.19, 508,717.78 and 207,492.09 is: 286,338.99
Step by Step Solution
- Step 1: Write the proportion equation
368,636.19 : 508,717.78 = 207,492.09 : x - Step 2: Convert to fraction form
368,636.19/508,717.78 = 207,492.09/x - Step 3: Cross multiply
368,636.19x = 508,717.78 × 207,492.09 - Step 4: Simplify right side
368,636.19x = 105,554,915,392.36 - Step 5: Solve for x
x = 105,554,915,392.36/368,636.19 - Step 6: Final answer
x = 286,338.99
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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.