Finding the Fourth Proportional to 498,221.10, 747,331.65 and 245,549.70
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Solution
The fourth proportional to 498,221.10, 747,331.65 and 245,549.70 is: 368,324.55
Step by Step Solution
- Step 1: Write the proportion equation
498,221.10 : 747,331.65 = 245,549.70 : x - Step 2: Convert to fraction form
498,221.10/747,331.65 = 245,549.70/x - Step 3: Cross multiply
498,221.10x = 747,331.65 × 245,549.70 - Step 4: Simplify right side
498,221.10x = 183,507,062,458.01 - Step 5: Solve for x
x = 183,507,062,458.01/498,221.10 - Step 6: Final answer
x = 368,324.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.