Finding the Fourth Proportional to 392,396.55, 541,342.08 and 246,944.67
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Solution
The fourth proportional to 392,396.55, 541,342.08 and 246,944.67 is: 340,679.71
Step by Step Solution
- Step 1: Write the proportion equation
392,396.55 : 541,342.08 = 246,944.67 : x - Step 2: Convert to fraction form
392,396.55/541,342.08 = 246,944.67/x - Step 3: Cross multiply
392,396.55x = 541,342.08 × 246,944.67 - Step 4: Simplify right side
392,396.55x = 133,681,541,302.71 - Step 5: Solve for x
x = 133,681,541,302.71/392,396.55 - Step 6: Final answer
x = 340,679.71
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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.