Finding the Fourth Proportional to 472,622.18, 708,929.62 and 117,633.82
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Solution
The fourth proportional to 472,622.18, 708,929.62 and 117,633.82 is: 176,449.82
Step by Step Solution
- Step 1: Write the proportion equation
472,622.18 : 708,929.62 = 117,633.82 : x - Step 2: Convert to fraction form
472,622.18/708,929.62 = 117,633.82/x - Step 3: Cross multiply
472,622.18x = 708,929.62 × 117,633.82 - Step 4: Simplify right side
472,622.18x = 83,394,099,311.75 - Step 5: Solve for x
x = 83,394,099,311.75/472,622.18 - Step 6: Final answer
x = 176,449.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.