Finding the Fourth Proportional to 409,191.62, 564,684.62 and 227,938.32
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Solution
The fourth proportional to 409,191.62, 564,684.62 and 227,938.32 is: 314,554.99
Step by Step Solution
- Step 1: Write the proportion equation
409,191.62 : 564,684.62 = 227,938.32 : x - Step 2: Convert to fraction form
409,191.62/564,684.62 = 227,938.32/x - Step 3: Cross multiply
409,191.62x = 564,684.62 × 227,938.32 - Step 4: Simplify right side
409,191.62x = 128,713,262,472.95 - Step 5: Solve for x
x = 128,713,262,472.95/409,191.62 - Step 6: Final answer
x = 314,554.99
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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.