Finding the Fourth Proportional to 168,855.84, 232,919.52 and 111,495.68
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Solution
The fourth proportional to 168,855.84, 232,919.52 and 111,495.68 is: 153,796.99
Step by Step Solution
- Step 1: Write the proportion equation
168,855.84 : 232,919.52 = 111,495.68 : x - Step 2: Convert to fraction form
168,855.84/232,919.52 = 111,495.68/x - Step 3: Cross multiply
168,855.84x = 232,919.52 × 111,495.68 - Step 4: Simplify right side
168,855.84x = 25,969,520,267.67 - Step 5: Solve for x
x = 25,969,520,267.67/168,855.84 - Step 6: Final answer
x = 153,796.99
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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.