Finding the Fourth Proportional to 224,064.21, 309,204.70 and 122,090.53
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Solution
The fourth proportional to 224,064.21, 309,204.70 and 122,090.53 is: 168,482.80
Step by Step Solution
- Step 1: Write the proportion equation
224,064.21 : 309,204.70 = 122,090.53 : x - Step 2: Convert to fraction form
224,064.21/309,204.70 = 122,090.53/x - Step 3: Cross multiply
224,064.21x = 309,204.70 × 122,090.53 - Step 4: Simplify right side
224,064.21x = 37,750,965,701.49 - Step 5: Solve for x
x = 37,750,965,701.49/224,064.21 - Step 6: Final answer
x = 168,482.80
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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.