Finding the Fourth Proportional to 445,856.76, 668,474.07 and 165,298.68
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Solution
The fourth proportional to 445,856.76, 668,474.07 and 165,298.68 is: 247,832.69
Step by Step Solution
- Step 1: Write the proportion equation
445,856.76 : 668,474.07 = 165,298.68 : x - Step 2: Convert to fraction form
445,856.76/668,474.07 = 165,298.68/x - Step 3: Cross multiply
445,856.76x = 668,474.07 × 165,298.68 - Step 4: Simplify right side
445,856.76x = 110,497,881,385.23 - Step 5: Solve for x
x = 110,497,881,385.23/445,856.76 - Step 6: Final answer
x = 247,832.69
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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.