Finding the Fourth Proportional to 284,356.40, 426,419.40 and 97,271.60
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Solution
The fourth proportional to 284,356.40, 426,419.40 and 97,271.60 is: 145,867.99
Step by Step Solution
- Step 1: Write the proportion equation
284,356.40 : 426,419.40 = 97,271.60 : x - Step 2: Convert to fraction form
284,356.40/426,419.40 = 97,271.60/x - Step 3: Cross multiply
284,356.40x = 426,419.40 × 97,271.60 - Step 4: Simplify right side
284,356.40x = 41,478,497,309.04 - Step 5: Solve for x
x = 41,478,497,309.04/284,356.40 - Step 6: Final answer
x = 145,867.99
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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.