Finding the Fourth Proportional to 438,168.20, 657,252.30 and 248,555.30
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Solution
The fourth proportional to 438,168.20, 657,252.30 and 248,555.30 is: 372,832.95
Step by Step Solution
- Step 1: Write the proportion equation
438,168.20 : 657,252.30 = 248,555.30 : x - Step 2: Convert to fraction form
438,168.20/657,252.30 = 248,555.30/x - Step 3: Cross multiply
438,168.20x = 657,252.30 × 248,555.30 - Step 4: Simplify right side
438,168.20x = 163,363,542,602.19 - Step 5: Solve for x
x = 163,363,542,602.19/438,168.20 - Step 6: Final answer
x = 372,832.95
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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.