Finding the Fourth Proportional to 383,916.18, 575,984.88 and 117,715.92
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Solution
The fourth proportional to 383,916.18, 575,984.88 and 117,715.92 is: 176,607.80
Step by Step Solution
- Step 1: Write the proportion equation
383,916.18 : 575,984.88 = 117,715.92 : x - Step 2: Convert to fraction form
383,916.18/575,984.88 = 117,715.92/x - Step 3: Cross multiply
383,916.18x = 575,984.88 × 117,715.92 - Step 4: Simplify right side
383,916.18x = 67,802,590,055.29 - Step 5: Solve for x
x = 67,802,590,055.29/383,916.18 - Step 6: Final answer
x = 176,607.80
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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.