Finding the Fourth Proportional to 542,254.14, 748,310.13 and 300,537.18
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Solution
The fourth proportional to 542,254.14, 748,310.13 and 300,537.18 is: 414,740.99
Step by Step Solution
- Step 1: Write the proportion equation
542,254.14 : 748,310.13 = 300,537.18 : x - Step 2: Convert to fraction form
542,254.14/748,310.13 = 300,537.18/x - Step 3: Cross multiply
542,254.14x = 748,310.13 × 300,537.18 - Step 4: Simplify right side
542,254.14x = 224,895,016,235.63 - Step 5: Solve for x
x = 224,895,016,235.63/542,254.14 - Step 6: Final answer
x = 414,740.99
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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.