Finding the Fourth Proportional to 401,134.80, 553,212.68 and 248,148.68
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Solution
The fourth proportional to 401,134.80, 553,212.68 and 248,148.68 is: 342,226.59
Step by Step Solution
- Step 1: Write the proportion equation
401,134.80 : 553,212.68 = 248,148.68 : x - Step 2: Convert to fraction form
401,134.80/553,212.68 = 248,148.68/x - Step 3: Cross multiply
401,134.80x = 553,212.68 × 248,148.68 - Step 4: Simplify right side
401,134.80x = 137,278,996,301.26 - Step 5: Solve for x
x = 137,278,996,301.26/401,134.80 - Step 6: Final answer
x = 342,226.59
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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.