Finding the Fourth Proportional to 409,812.06, 614,827.53 and 129,334.62
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Solution
The fourth proportional to 409,812.06, 614,827.53 and 129,334.62 is: 194,036.47
Step by Step Solution
- Step 1: Write the proportion equation
409,812.06 : 614,827.53 = 129,334.62 : x - Step 2: Convert to fraction form
409,812.06/614,827.53 = 129,334.62/x - Step 3: Cross multiply
409,812.06x = 614,827.53 × 129,334.62 - Step 4: Simplify right side
409,812.06x = 79,518,484,958.09 - Step 5: Solve for x
x = 79,518,484,958.09/409,812.06 - Step 6: Final answer
x = 194,036.47
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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.