Finding the Fourth Proportional to 297,575.76, 410,726.08 and 170,325.20
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Solution
The fourth proportional to 297,575.76, 410,726.08 and 170,325.20 is: 235,089.72
Step by Step Solution
- Step 1: Write the proportion equation
297,575.76 : 410,726.08 = 170,325.20 : x - Step 2: Convert to fraction form
297,575.76/410,726.08 = 170,325.20/x - Step 3: Cross multiply
297,575.76x = 410,726.08 × 170,325.20 - Step 4: Simplify right side
297,575.76x = 69,957,001,721.22 - Step 5: Solve for x
x = 69,957,001,721.22/297,575.76 - Step 6: Final answer
x = 235,089.72
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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.