Finding the Fourth Proportional to 247,074.68, 340,963.35 and 133,897.43
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Solution
The fourth proportional to 247,074.68, 340,963.35 and 133,897.43 is: 184,778.61
Step by Step Solution
- Step 1: Write the proportion equation
247,074.68 : 340,963.35 = 133,897.43 : x - Step 2: Convert to fraction form
247,074.68/340,963.35 = 133,897.43/x - Step 3: Cross multiply
247,074.68x = 340,963.35 × 133,897.43 - Step 4: Simplify right side
247,074.68x = 45,654,116,289.19 - Step 5: Solve for x
x = 45,654,116,289.19/247,074.68 - Step 6: Final answer
x = 184,778.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.