Finding the Fourth Proportional to 223,253.75, 308,084.99 and 121,276.91
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Solution
The fourth proportional to 223,253.75, 308,084.99 and 121,276.91 is: 167,359.32
Step by Step Solution
- Step 1: Write the proportion equation
223,253.75 : 308,084.99 = 121,276.91 : x - Step 2: Convert to fraction form
223,253.75/308,084.99 = 121,276.91/x - Step 3: Cross multiply
223,253.75x = 308,084.99 × 121,276.91 - Step 4: Simplify right side
223,253.75x = 37,363,595,768.41 - Step 5: Solve for x
x = 37,363,595,768.41/223,253.75 - Step 6: Final answer
x = 167,359.32
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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.