Finding the Fourth Proportional to 224,343.20, 309,597.29 and 122,368.65
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Solution
The fourth proportional to 224,343.20, 309,597.29 and 122,368.65 is: 168,870.75
Step by Step Solution
- Step 1: Write the proportion equation
224,343.20 : 309,597.29 = 122,368.65 : x - Step 2: Convert to fraction form
224,343.20/309,597.29 = 122,368.65/x - Step 3: Cross multiply
224,343.20x = 309,597.29 × 122,368.65 - Step 4: Simplify right side
224,343.20x = 37,885,002,726.88 - Step 5: Solve for x
x = 37,885,002,726.88/224,343.20 - Step 6: Final answer
x = 168,870.75
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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.