Finding the Fourth Proportional to 409,074.62, 564,539.63 and 227,775.06
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Solution
The fourth proportional to 409,074.62, 564,539.63 and 227,775.06 is: 314,338.86
Step by Step Solution
- Step 1: Write the proportion equation
409,074.62 : 564,539.63 = 227,775.06 : x - Step 2: Convert to fraction form
409,074.62/564,539.63 = 227,775.06/x - Step 3: Cross multiply
409,074.62x = 564,539.63 × 227,775.06 - Step 4: Simplify right side
409,074.62x = 128,588,046,956.75 - Step 5: Solve for x
x = 128,588,046,956.75/409,074.62 - Step 6: Final answer
x = 314,338.86
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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.