Finding the Fourth Proportional to 164,275.48, 245,967.99 and 85,223.63
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Solution
The fourth proportional to 164,275.48, 245,967.99 and 85,223.63 is: 127,604.47
Step by Step Solution
- Step 1: Write the proportion equation
164,275.48 : 245,967.99 = 85,223.63 : x - Step 2: Convert to fraction form
164,275.48/245,967.99 = 85,223.63/x - Step 3: Cross multiply
164,275.48x = 245,967.99 × 85,223.63 - Step 4: Simplify right side
164,275.48x = 20,962,284,362.75 - Step 5: Solve for x
x = 20,962,284,362.75/164,275.48 - Step 6: Final answer
x = 127,604.47
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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.