Finding the Fourth Proportional to 381,235.68, 526,201.02 and 258,935.22
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Solution
The fourth proportional to 381,235.68, 526,201.02 and 258,935.22 is: 357,395.66
Step by Step Solution
- Step 1: Write the proportion equation
381,235.68 : 526,201.02 = 258,935.22 : x - Step 2: Convert to fraction form
381,235.68/526,201.02 = 258,935.22/x - Step 3: Cross multiply
381,235.68x = 526,201.02 × 258,935.22 - Step 4: Simplify right side
381,235.68x = 136,251,976,877.92 - Step 5: Solve for x
x = 136,251,976,877.92/381,235.68 - Step 6: Final answer
x = 357,395.66
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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.