Finding the Fourth Proportional to 652,159.70, 899,979.55 and 361,815.31
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Solution
The fourth proportional to 652,159.70, 899,979.55 and 361,815.31 is: 499,304.66
Step by Step Solution
- Step 1: Write the proportion equation
652,159.70 : 899,979.55 = 361,815.31 : x - Step 2: Convert to fraction form
652,159.70/899,979.55 = 361,815.31/x - Step 3: Cross multiply
652,159.70x = 899,979.55 × 361,815.31 - Step 4: Simplify right side
652,159.70x = 325,626,379,876.91 - Step 5: Solve for x
x = 325,626,379,876.91/652,159.70 - Step 6: Final answer
x = 499,304.66
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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.