Finding the Fourth Proportional to 212,001.06, 317,476.71 and 155,707.68
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Solution
The fourth proportional to 212,001.06, 317,476.71 and 155,707.68 is: 233,176.01
Step by Step Solution
- Step 1: Write the proportion equation
212,001.06 : 317,476.71 = 155,707.68 : x - Step 2: Convert to fraction form
212,001.06/317,476.71 = 155,707.68/x - Step 3: Cross multiply
212,001.06x = 317,476.71 × 155,707.68 - Step 4: Simplify right side
212,001.06x = 49,433,561,968.13 - Step 5: Solve for x
x = 49,433,561,968.13/212,001.06 - Step 6: Final answer
x = 233,176.01
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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.