Finding the Fourth Proportional to 665,332.35, 996,850.35 and 309,616.80
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Solution
The fourth proportional to 665,332.35, 996,850.35 and 309,616.80 is: 463,890.89
Step by Step Solution
- Step 1: Write the proportion equation
665,332.35 : 996,850.35 = 309,616.80 : x - Step 2: Convert to fraction form
665,332.35/996,850.35 = 309,616.80/x - Step 3: Cross multiply
665,332.35x = 996,850.35 × 309,616.80 - Step 4: Simplify right side
665,332.35x = 308,641,615,445.88 - Step 5: Solve for x
x = 308,641,615,445.88/665,332.35 - Step 6: Final answer
x = 463,890.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.