Finding the Fourth Proportional to 273,194.04, 409,864.02 and 86,209.08
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Solution
The fourth proportional to 273,194.04, 409,864.02 and 86,209.08 is: 129,336.64
Step by Step Solution
- Step 1: Write the proportion equation
273,194.04 : 409,864.02 = 86,209.08 : x - Step 2: Convert to fraction form
273,194.04/409,864.02 = 86,209.08/x - Step 3: Cross multiply
273,194.04x = 409,864.02 × 86,209.08 - Step 4: Simplify right side
273,194.04x = 35,334,000,089.30 - Step 5: Solve for x
x = 35,334,000,089.30/273,194.04 - Step 6: Final answer
x = 129,336.64
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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.