Finding the Fourth Proportional to 239,081.50, 358,353.12 and 104,259.02
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Solution
The fourth proportional to 239,081.50, 358,353.12 and 104,259.02 is: 156,271.17
Step by Step Solution
- Step 1: Write the proportion equation
239,081.50 : 358,353.12 = 104,259.02 : x - Step 2: Convert to fraction form
239,081.50/358,353.12 = 104,259.02/x - Step 3: Cross multiply
239,081.50x = 358,353.12 × 104,259.02 - Step 4: Simplify right side
239,081.50x = 37,361,546,001.03 - Step 5: Solve for x
x = 37,361,546,001.03/239,081.50 - Step 6: Final answer
x = 156,271.17
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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.