Finding the Fourth Proportional to 292,917.84, 439,442.72 and 103,391.68
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Solution
The fourth proportional to 292,917.84, 439,442.72 and 103,391.68 is: 155,110.80
Step by Step Solution
- Step 1: Write the proportion equation
292,917.84 : 439,442.72 = 103,391.68 : x - Step 2: Convert to fraction form
292,917.84/439,442.72 = 103,391.68/x - Step 3: Cross multiply
292,917.84x = 439,442.72 × 103,391.68 - Step 4: Simplify right side
292,917.84x = 45,434,721,084.57 - Step 5: Solve for x
x = 45,434,721,084.57/292,917.84 - Step 6: Final answer
x = 155,110.80
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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.