Finding the Fourth Proportional to 577,246.60, 865,286.70 and 261,929.80
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Solution
The fourth proportional to 577,246.60, 865,286.70 and 261,929.80 is: 392,630.07
Step by Step Solution
- Step 1: Write the proportion equation
577,246.60 : 865,286.70 = 261,929.80 : x - Step 2: Convert to fraction form
577,246.60/865,286.70 = 261,929.80/x - Step 3: Cross multiply
577,246.60x = 865,286.70 × 261,929.80 - Step 4: Simplify right side
577,246.60x = 226,644,372,273.66 - Step 5: Solve for x
x = 226,644,372,273.66/577,246.60 - Step 6: Final answer
x = 392,630.07
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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.