Finding the Fourth Proportional to 442,905.30, 664,163.55 and 176,577.30
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Solution
The fourth proportional to 442,905.30, 664,163.55 and 176,577.30 is: 264,788.45
Step by Step Solution
- Step 1: Write the proportion equation
442,905.30 : 664,163.55 = 176,577.30 : x - Step 2: Convert to fraction form
442,905.30/664,163.55 = 176,577.30/x - Step 3: Cross multiply
442,905.30x = 664,163.55 × 176,577.30 - Step 4: Simplify right side
442,905.30x = 117,276,206,417.42 - Step 5: Solve for x
x = 117,276,206,417.42/442,905.30 - Step 6: Final answer
x = 264,788.45
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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.