Finding the Fourth Proportional to 224,643.26, 310,020.30 and 122,678.18
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Solution
The fourth proportional to 224,643.26, 310,020.30 and 122,678.18 is: 169,302.77
Step by Step Solution
- Step 1: Write the proportion equation
224,643.26 : 310,020.30 = 122,678.18 : x - Step 2: Convert to fraction form
224,643.26/310,020.30 = 122,678.18/x - Step 3: Cross multiply
224,643.26x = 310,020.30 × 122,678.18 - Step 4: Simplify right side
224,643.26x = 38,032,726,167.05 - Step 5: Solve for x
x = 38,032,726,167.05/224,643.26 - Step 6: Final answer
x = 169,302.77
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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.