Finding the Fourth Proportional to 256,354.24, 353,766.84 and 148,987.12
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Solution
The fourth proportional to 256,354.24, 353,766.84 and 148,987.12 is: 205,601.06
Step by Step Solution
- Step 1: Write the proportion equation
256,354.24 : 353,766.84 = 148,987.12 : x - Step 2: Convert to fraction form
256,354.24/353,766.84 = 148,987.12/x - Step 3: Cross multiply
256,354.24x = 353,766.84 × 148,987.12 - Step 4: Simplify right side
256,354.24x = 52,706,702,643.10 - Step 5: Solve for x
x = 52,706,702,643.10/256,354.24 - Step 6: Final answer
x = 205,601.06
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1.5x scale
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.