Finding the Fourth Proportional to 98,801.10, 148,201.65 and 63,371.70
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Solution
The fourth proportional to 98,801.10, 148,201.65 and 63,371.70 is: 95,057.55
Step by Step Solution
- Step 1: Write the proportion equation
98,801.10 : 148,201.65 = 63,371.70 : x - Step 2: Convert to fraction form
98,801.10/148,201.65 = 63,371.70/x - Step 3: Cross multiply
98,801.10x = 148,201.65 × 63,371.70 - Step 4: Simplify right side
98,801.10x = 9,391,790,503.31 - Step 5: Solve for x
x = 9,391,790,503.31/98,801.10 - Step 6: Final answer
x = 95,057.55
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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.