Finding the Fourth Proportional to 237,459.99, 327,695.31 and 128,565.48
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Solution
The fourth proportional to 237,459.99, 327,695.31 and 128,565.48 is: 177,420.65
Step by Step Solution
- Step 1: Write the proportion equation
237,459.99 : 327,695.31 = 128,565.48 : x - Step 2: Convert to fraction form
237,459.99/327,695.31 = 128,565.48/x - Step 3: Cross multiply
237,459.99x = 327,695.31 × 128,565.48 - Step 4: Simplify right side
237,459.99x = 42,130,304,823.90 - Step 5: Solve for x
x = 42,130,304,823.90/237,459.99 - Step 6: Final answer
x = 177,420.65
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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.