Finding the Fourth Proportional to 353,919.76, 488,515.99 and 240,808.12
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Solution
The fourth proportional to 353,919.76, 488,515.99 and 240,808.12 is: 332,387.82
Step by Step Solution
- Step 1: Write the proportion equation
353,919.76 : 488,515.99 = 240,808.12 : x - Step 2: Convert to fraction form
353,919.76/488,515.99 = 240,808.12/x - Step 3: Cross multiply
353,919.76x = 488,515.99 × 240,808.12 - Step 4: Simplify right side
353,919.76x = 117,638,617,141.84 - Step 5: Solve for x
x = 117,638,617,141.84/353,919.76 - Step 6: Final answer
x = 332,387.82
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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.