Finding the Fourth Proportional to 484,400.00, 668,620.58 and 312,318.18
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Solution
The fourth proportional to 484,400.00, 668,620.58 and 312,318.18 is: 431,094.89
Step by Step Solution
- Step 1: Write the proportion equation
484,400.00 : 668,620.58 = 312,318.18 : x - Step 2: Convert to fraction form
484,400.00/668,620.58 = 312,318.18/x - Step 3: Cross multiply
484,400.00x = 668,620.58 × 312,318.18 - Step 4: Simplify right side
484,400.00x = 208,822,361,094.55 - Step 5: Solve for x
x = 208,822,361,094.55/484,400.00 - Step 6: Final answer
x = 431,094.89
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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.