Finding the Fourth Proportional to 409,549.13, 614,282.18 and 109,990.79
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Solution
The fourth proportional to 409,549.13, 614,282.18 and 109,990.79 is: 164,975.03
Step by Step Solution
- Step 1: Write the proportion equation
409,549.13 : 614,282.18 = 109,990.79 : x - Step 2: Convert to fraction form
409,549.13/614,282.18 = 109,990.79/x - Step 3: Cross multiply
409,549.13x = 614,282.18 × 109,990.79 - Step 4: Simplify right side
409,549.13x = 67,565,378,639.76 - Step 5: Solve for x
x = 67,565,378,639.76/409,549.13 - Step 6: Final answer
x = 164,975.03
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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.