Finding the Fourth Proportional to 317,657.16, 438,381.18 and 190,330.02
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Solution
The fourth proportional to 317,657.16, 438,381.18 and 190,330.02 is: 262,664.00
Step by Step Solution
- Step 1: Write the proportion equation
317,657.16 : 438,381.18 = 190,330.02 : x - Step 2: Convert to fraction form
317,657.16/438,381.18 = 190,330.02/x - Step 3: Cross multiply
317,657.16x = 438,381.18 × 190,330.02 - Step 4: Simplify right side
317,657.16x = 83,437,098,757.02 - Step 5: Solve for x
x = 83,437,098,757.02/317,657.16 - Step 6: Final answer
x = 262,664.00
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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.