Finding the Fourth Proportional to 247,109.78, 370,531.44 and 133,318.58
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Solution
The fourth proportional to 247,109.78, 370,531.44 and 133,318.58 is: 199,905.99
Step by Step Solution
- Step 1: Write the proportion equation
247,109.78 : 370,531.44 = 133,318.58 : x - Step 2: Convert to fraction form
247,109.78/370,531.44 = 133,318.58/x - Step 3: Cross multiply
247,109.78x = 370,531.44 × 133,318.58 - Step 4: Simplify right side
247,109.78x = 49,398,725,426.16 - Step 5: Solve for x
x = 49,398,725,426.16/247,109.78 - Step 6: Final answer
x = 199,905.99
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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.