Finding the Fourth Proportional to 310,325.81, 428,223.11 and 174,349.08
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Solution
The fourth proportional to 310,325.81, 428,223.11 and 174,349.08 is: 240,586.84
Step by Step Solution
- Step 1: Write the proportion equation
310,325.81 : 428,223.11 = 174,349.08 : x - Step 2: Convert to fraction form
310,325.81/428,223.11 = 174,349.08/x - Step 3: Cross multiply
310,325.81x = 428,223.11 × 174,349.08 - Step 4: Simplify right side
310,325.81x = 74,660,304,391.49 - Step 5: Solve for x
x = 74,660,304,391.49/310,325.81 - Step 6: Final answer
x = 240,586.84
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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.