Finding the Fourth Proportional to 170,432.30, 235,214.07 and 102,471.41
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Solution
The fourth proportional to 170,432.30, 235,214.07 and 102,471.41 is: 141,421.07
Step by Step Solution
- Step 1: Write the proportion equation
170,432.30 : 235,214.07 = 102,471.41 : x - Step 2: Convert to fraction form
170,432.30/235,214.07 = 102,471.41/x - Step 3: Cross multiply
170,432.30x = 235,214.07 × 102,471.41 - Step 4: Simplify right side
170,432.30x = 24,102,717,404.74 - Step 5: Solve for x
x = 24,102,717,404.74/170,432.30 - Step 6: Final answer
x = 141,421.07
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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.