Finding the Fourth Proportional to 668,311.05, 922,184.28 and 381,849.69
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Solution
The fourth proportional to 668,311.05, 922,184.28 and 381,849.69 is: 526,904.02
Step by Step Solution
- Step 1: Write the proportion equation
668,311.05 : 922,184.28 = 381,849.69 : x - Step 2: Convert to fraction form
668,311.05/922,184.28 = 381,849.69/x - Step 3: Cross multiply
668,311.05x = 922,184.28 × 381,849.69 - Step 4: Simplify right side
668,311.05x = 352,135,781,440.87 - Step 5: Solve for x
x = 352,135,781,440.87/668,311.05 - Step 6: Final answer
x = 526,904.02
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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.