Finding the Fourth Proportional to 257,364.23, 386,489.21 and 246,292.56
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Solution
The fourth proportional to 257,364.23, 386,489.21 and 246,292.56 is: 369,862.66
Step by Step Solution
- Step 1: Write the proportion equation
257,364.23 : 386,489.21 = 246,292.56 : x - Step 2: Convert to fraction form
257,364.23/386,489.21 = 246,292.56/x - Step 3: Cross multiply
257,364.23x = 386,489.21 × 246,292.56 - Step 4: Simplify right side
257,364.23x = 95,189,415,711.81 - Step 5: Solve for x
x = 95,189,415,711.81/257,364.23 - Step 6: Final answer
x = 369,862.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.