Finding the Fourth Proportional to 168,354.99, 232,378.47 and 99,508.23
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Solution
The fourth proportional to 168,354.99, 232,378.47 and 99,508.23 is: 137,350.07
Step by Step Solution
- Step 1: Write the proportion equation
168,354.99 : 232,378.47 = 99,508.23 : x - Step 2: Convert to fraction form
168,354.99/232,378.47 = 99,508.23/x - Step 3: Cross multiply
168,354.99x = 232,378.47 × 99,508.23 - Step 4: Simplify right side
168,354.99x = 23,123,570,239.81 - Step 5: Solve for x
x = 23,123,570,239.81/168,354.99 - Step 6: Final answer
x = 137,350.07
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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.