Finding the Fourth Proportional to 170,378.80, 235,124.35 and 93,900.68
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Solution
The fourth proportional to 170,378.80, 235,124.35 and 93,900.68 is: 129,583.82
Step by Step Solution
- Step 1: Write the proportion equation
170,378.80 : 235,124.35 = 93,900.68 : x - Step 2: Convert to fraction form
170,378.80/235,124.35 = 93,900.68/x - Step 3: Cross multiply
170,378.80x = 235,124.35 × 93,900.68 - Step 4: Simplify right side
170,378.80x = 22,078,336,349.56 - Step 5: Solve for x
x = 22,078,336,349.56/170,378.80 - Step 6: Final answer
x = 129,583.82
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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.