Finding the Fourth Proportional to 368,193.84, 508,104.29 and 207,045.45
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Solution
The fourth proportional to 368,193.84, 508,104.29 and 207,045.45 is: 285,720.92
Step by Step Solution
- Step 1: Write the proportion equation
368,193.84 : 508,104.29 = 207,045.45 : x - Step 2: Convert to fraction form
368,193.84/508,104.29 = 207,045.45/x - Step 3: Cross multiply
368,193.84x = 508,104.29 × 207,045.45 - Step 4: Simplify right side
368,193.84x = 105,200,680,334.75 - Step 5: Solve for x
x = 105,200,680,334.75/368,193.84 - Step 6: Final answer
x = 285,720.92
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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.