Finding the Fourth Proportional to 353,269.14, 487,621.19 and 280,800.62
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Solution
The fourth proportional to 353,269.14, 487,621.19 and 280,800.62 is: 387,592.11
Step by Step Solution
- Step 1: Write the proportion equation
353,269.14 : 487,621.19 = 280,800.62 : x - Step 2: Convert to fraction form
353,269.14/487,621.19 = 280,800.62/x - Step 3: Cross multiply
353,269.14x = 487,621.19 × 280,800.62 - Step 4: Simplify right side
353,269.14x = 136,924,333,345.19 - Step 5: Solve for x
x = 136,924,333,345.19/353,269.14 - Step 6: Final answer
x = 387,592.11
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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.