Finding the Fourth Proportional to 212,199.70, 292,838.03 and 116,707.99
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Solution
The fourth proportional to 212,199.70, 292,838.03 and 116,707.99 is: 161,058.36
Step by Step Solution
- Step 1: Write the proportion equation
212,199.70 : 292,838.03 = 116,707.99 : x - Step 2: Convert to fraction form
212,199.70/292,838.03 = 116,707.99/x - Step 3: Cross multiply
212,199.70x = 292,838.03 × 116,707.99 - Step 4: Simplify right side
212,199.70x = 34,176,535,829.13 - Step 5: Solve for x
x = 34,176,535,829.13/212,199.70 - Step 6: Final answer
x = 161,058.36
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1.5x scale
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.