Finding the Fourth Proportional to 170,984.16, 236,070.99 and 106,546.95
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Solution
The fourth proportional to 170,984.16, 236,070.99 and 106,546.95 is: 147,105.11
Step by Step Solution
- Step 1: Write the proportion equation
170,984.16 : 236,070.99 = 106,546.95 : x - Step 2: Convert to fraction form
170,984.16/236,070.99 = 106,546.95/x - Step 3: Cross multiply
170,984.16x = 236,070.99 × 106,546.95 - Step 4: Simplify right side
170,984.16x = 25,152,643,967.98 - Step 5: Solve for x
x = 25,152,643,967.98/170,984.16 - Step 6: Final answer
x = 147,105.11
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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.