Finding the Fourth Proportional to 422,585.99, 633,902.07 and 107,045.63
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Solution
The fourth proportional to 422,585.99, 633,902.07 and 107,045.63 is: 160,574.29
Step by Step Solution
- Step 1: Write the proportion equation
422,585.99 : 633,902.07 = 107,045.63 : x - Step 2: Convert to fraction form
422,585.99/633,902.07 = 107,045.63/x - Step 3: Cross multiply
422,585.99x = 633,902.07 × 107,045.63 - Step 4: Simplify right side
422,585.99x = 67,856,443,271.94 - Step 5: Solve for x
x = 67,856,443,271.94/422,585.99 - Step 6: Final answer
x = 160,574.29
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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.