Finding the Fourth Proportional to 392,400.06, 541,346.90 and 246,948.18
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Solution
The fourth proportional to 392,400.06, 541,346.90 and 246,948.18 is: 340,684.53
Step by Step Solution
- Step 1: Write the proportion equation
392,400.06 : 541,346.90 = 246,948.18 : x - Step 2: Convert to fraction form
392,400.06/541,346.90 = 246,948.18/x - Step 3: Cross multiply
392,400.06x = 541,346.90 × 246,948.18 - Step 4: Simplify right side
392,400.06x = 133,684,631,703.64 - Step 5: Solve for x
x = 133,684,631,703.64/392,400.06 - Step 6: Final answer
x = 340,684.53
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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.