Finding the Fourth Proportional to 392,660.19, 541,855.98 and 239,953.83
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Solution
The fourth proportional to 392,660.19, 541,855.98 and 239,953.83 is: 331,127.07
Step by Step Solution
- Step 1: Write the proportion equation
392,660.19 : 541,855.98 = 239,953.83 : x - Step 2: Convert to fraction form
392,660.19/541,855.98 = 239,953.83/x - Step 3: Cross multiply
392,660.19x = 541,855.98 × 239,953.83 - Step 4: Simplify right side
392,660.19x = 130,020,417,709.40 - Step 5: Solve for x
x = 130,020,417,709.40/392,660.19 - Step 6: Final answer
x = 331,127.07
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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.