Finding the Fourth Proportional to 323,458.74, 482,913.74 and 247,157.96
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Solution
The fourth proportional to 323,458.74, 482,913.74 and 247,157.96 is: 368,999.07
Step by Step Solution
- Step 1: Write the proportion equation
323,458.74 : 482,913.74 = 247,157.96 : x - Step 2: Convert to fraction form
323,458.74/482,913.74 = 247,157.96/x - Step 3: Cross multiply
323,458.74x = 482,913.74 × 247,157.96 - Step 4: Simplify right side
323,458.74x = 119,355,973,037.70 - Step 5: Solve for x
x = 119,355,973,037.70/323,458.74 - Step 6: Final answer
x = 368,999.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.