Finding the Fourth Proportional to 240,767.85, 332,258.99 and 138,792.75
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Solution
The fourth proportional to 240,767.85, 332,258.99 and 138,792.75 is: 191,533.62
Step by Step Solution
- Step 1: Write the proportion equation
240,767.85 : 332,258.99 = 138,792.75 : x - Step 2: Convert to fraction form
240,767.85/332,258.99 = 138,792.75/x - Step 3: Cross multiply
240,767.85x = 332,258.99 × 138,792.75 - Step 4: Simplify right side
240,767.85x = 46,115,138,934.32 - Step 5: Solve for x
x = 46,115,138,934.32/240,767.85 - Step 6: Final answer
x = 191,533.62
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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.