Finding the Fourth Proportional to 168,820.70, 232,938.87 and 93,354.62
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Solution
The fourth proportional to 168,820.70, 232,938.87 and 93,354.62 is: 128,810.74
Step by Step Solution
- Step 1: Write the proportion equation
168,820.70 : 232,938.87 = 93,354.62 : x - Step 2: Convert to fraction form
168,820.70/232,938.87 = 93,354.62/x - Step 3: Cross multiply
168,820.70x = 232,938.87 × 93,354.62 - Step 4: Simplify right side
168,820.70x = 21,745,919,692.08 - Step 5: Solve for x
x = 21,745,919,692.08/168,820.70 - Step 6: Final answer
x = 128,810.74
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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.