Finding the Fourth Proportional to 224,619.85, 309,973.03 and 122,644.99
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Solution
The fourth proportional to 224,619.85, 309,973.03 and 122,644.99 is: 169,248.80
Step by Step Solution
- Step 1: Write the proportion equation
224,619.85 : 309,973.03 = 122,644.99 : x - Step 2: Convert to fraction form
224,619.85/309,973.03 = 122,644.99/x - Step 3: Cross multiply
224,619.85x = 309,973.03 × 122,644.99 - Step 4: Simplify right side
224,619.85x = 38,016,639,164.62 - Step 5: Solve for x
x = 38,016,639,164.62/224,619.85 - Step 6: Final answer
x = 169,248.80
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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.