Finding the Fourth Proportional to 168,663.80, 252,995.70 and 97,707.80
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Solution
The fourth proportional to 168,663.80, 252,995.70 and 97,707.80 is: 146,561.70
Step by Step Solution
- Step 1: Write the proportion equation
168,663.80 : 252,995.70 = 97,707.80 : x - Step 2: Convert to fraction form
168,663.80/252,995.70 = 97,707.80/x - Step 3: Cross multiply
168,663.80x = 252,995.70 × 97,707.80 - Step 4: Simplify right side
168,663.80x = 24,719,653,256.46 - Step 5: Solve for x
x = 24,719,653,256.46/168,663.80 - Step 6: Final answer
x = 146,561.70
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1.5x scale
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.