Finding the Fourth Proportional to 177,978.18, 245,637.48 and 101,497.44
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Solution
The fourth proportional to 177,978.18, 245,637.48 and 101,497.44 is: 140,082.20
Step by Step Solution
- Step 1: Write the proportion equation
177,978.18 : 245,637.48 = 101,497.44 : x - Step 2: Convert to fraction form
177,978.18/245,637.48 = 101,497.44/x - Step 3: Cross multiply
177,978.18x = 245,637.48 × 101,497.44 - Step 4: Simplify right side
177,978.18x = 24,931,575,388.05 - Step 5: Solve for x
x = 24,931,575,388.05/177,978.18 - Step 6: Final answer
x = 140,082.20
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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.