Finding the Fourth Proportional to 415,346.02, 623,010.08 and 115,818.62
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Solution
The fourth proportional to 415,346.02, 623,010.08 and 115,818.62 is: 173,725.43
Step by Step Solution
- Step 1: Write the proportion equation
415,346.02 : 623,010.08 = 115,818.62 : x - Step 2: Convert to fraction form
415,346.02/623,010.08 = 115,818.62/x - Step 3: Cross multiply
415,346.02x = 623,010.08 × 115,818.62 - Step 4: Simplify right side
415,346.02x = 72,156,164,886.19 - Step 5: Solve for x
x = 72,156,164,886.19/415,346.02 - Step 6: Final answer
x = 173,725.43
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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.