Finding the Fourth Proportional to 240,618.47, 332,088.42 and 138,624.08
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Solution
The fourth proportional to 240,618.47, 332,088.42 and 138,624.08 is: 191,321.35
Step by Step Solution
- Step 1: Write the proportion equation
240,618.47 : 332,088.42 = 138,624.08 : x - Step 2: Convert to fraction form
240,618.47/332,088.42 = 138,624.08/x - Step 3: Cross multiply
240,618.47x = 332,088.42 × 138,624.08 - Step 4: Simplify right side
240,618.47x = 46,035,450,560.55 - Step 5: Solve for x
x = 46,035,450,560.55/240,618.47 - Step 6: Final answer
x = 191,321.35
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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.