Finding the Fourth Proportional to 551,575.40, 761,174.10 and 306,560.12
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Solution
The fourth proportional to 551,575.40, 761,174.10 and 306,560.12 is: 423,052.99
Step by Step Solution
- Step 1: Write the proportion equation
551,575.40 : 761,174.10 = 306,560.12 : x - Step 2: Convert to fraction form
551,575.40/761,174.10 = 306,560.12/x - Step 3: Cross multiply
551,575.40x = 761,174.10 × 306,560.12 - Step 4: Simplify right side
551,575.40x = 233,345,623,436.89 - Step 5: Solve for x
x = 233,345,623,436.89/551,575.40 - Step 6: Final answer
x = 423,052.99
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1.5x scale
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.