Finding the Fourth Proportional to 168,357.84, 232,320.60 and 100,369.68
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Solution
The fourth proportional to 168,357.84, 232,320.60 and 100,369.68 is: 138,502.28
Step by Step Solution
- Step 1: Write the proportion equation
168,357.84 : 232,320.60 = 100,369.68 : x - Step 2: Convert to fraction form
168,357.84/232,320.60 = 100,369.68/x - Step 3: Cross multiply
168,357.84x = 232,320.60 × 100,369.68 - Step 4: Simplify right side
168,357.84x = 23,317,944,279.41 - Step 5: Solve for x
x = 23,317,944,279.41/168,357.84 - Step 6: Final answer
x = 138,502.28
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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.