Finding the Fourth Proportional to 392,287.24, 539,657.58 and 343,670.23
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Solution
The fourth proportional to 392,287.24, 539,657.58 and 343,670.23 is: 472,776.64
Step by Step Solution
- Step 1: Write the proportion equation
392,287.24 : 539,657.58 = 343,670.23 : x - Step 2: Convert to fraction form
392,287.24/539,657.58 = 343,670.23/x - Step 3: Cross multiply
392,287.24x = 539,657.58 × 343,670.23 - Step 4: Simplify right side
392,287.24x = 185,464,244,639.84 - Step 5: Solve for x
x = 185,464,244,639.84/392,287.24 - Step 6: Final answer
x = 472,776.64
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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.