Finding the Fourth Proportional to 317,960.10, 438,779.93 and 174,717.07
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Solution
The fourth proportional to 317,960.10, 438,779.93 and 174,717.07 is: 241,106.80
Step by Step Solution
- Step 1: Write the proportion equation
317,960.10 : 438,779.93 = 174,717.07 : x - Step 2: Convert to fraction form
317,960.10/438,779.93 = 174,717.07/x - Step 3: Cross multiply
317,960.10x = 438,779.93 × 174,717.07 - Step 4: Simplify right side
317,960.10x = 76,662,341,773.87 - Step 5: Solve for x
x = 76,662,341,773.87/317,960.10 - Step 6: Final answer
x = 241,106.80
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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.