Finding the Fourth Proportional to 572,252.99, 858,379.55 and 217,267.20
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Solution
The fourth proportional to 572,252.99, 858,379.55 and 217,267.20 is: 325,900.83
Step by Step Solution
- Step 1: Write the proportion equation
572,252.99 : 858,379.55 = 217,267.20 : x - Step 2: Convert to fraction form
572,252.99/858,379.55 = 217,267.20/x - Step 3: Cross multiply
572,252.99x = 858,379.55 × 217,267.20 - Step 4: Simplify right side
572,252.99x = 186,497,720,279.42 - Step 5: Solve for x
x = 186,497,720,279.42/572,252.99 - Step 6: Final answer
x = 325,900.83
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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.