Finding the Fourth Proportional to 168,703.76, 252,970.68 and 56,344.88
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Solution
The fourth proportional to 168,703.76, 252,970.68 and 56,344.88 is: 84,488.94
Step by Step Solution
- Step 1: Write the proportion equation
168,703.76 : 252,970.68 = 56,344.88 : x - Step 2: Convert to fraction form
168,703.76/252,970.68 = 56,344.88/x - Step 3: Cross multiply
168,703.76x = 252,970.68 × 56,344.88 - Step 4: Simplify right side
168,703.76x = 14,253,602,608.12 - Step 5: Solve for x
x = 14,253,602,608.12/168,703.76 - Step 6: Final answer
x = 84,488.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.