Finding the Fourth Proportional to 247,412.12, 371,071.02 and 69,876.68
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Solution
The fourth proportional to 247,412.12, 371,071.02 and 69,876.68 is: 104,801.70
Step by Step Solution
- Step 1: Write the proportion equation
247,412.12 : 371,071.02 = 69,876.68 : x - Step 2: Convert to fraction form
247,412.12/371,071.02 = 69,876.68/x - Step 3: Cross multiply
247,412.12x = 371,071.02 × 69,876.68 - Step 4: Simplify right side
247,412.12x = 25,929,210,921.81 - Step 5: Solve for x
x = 25,929,210,921.81/247,412.12 - Step 6: Final answer
x = 104,801.70
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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.