Finding the Fourth Proportional to 347,126.21, 478,177.92 and 295,972.28
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Solution
The fourth proportional to 347,126.21, 478,177.92 and 295,972.28 is: 407,711.68
Step by Step Solution
- Step 1: Write the proportion equation
347,126.21 : 478,177.92 = 295,972.28 : x - Step 2: Convert to fraction form
347,126.21/478,177.92 = 295,972.28/x - Step 3: Cross multiply
347,126.21x = 478,177.92 × 295,972.28 - Step 4: Simplify right side
347,126.21x = 141,527,406,837.17 - Step 5: Solve for x
x = 141,527,406,837.17/347,126.21 - Step 6: Final answer
x = 407,711.68
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1.5x scale
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.