Finding the Fourth Proportional to 470,730.91, 705,555.07 and 217,479.38
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Solution
The fourth proportional to 470,730.91, 705,555.07 and 217,479.38 is: 325,968.99
Step by Step Solution
- Step 1: Write the proportion equation
470,730.91 : 705,555.07 = 217,479.38 : x - Step 2: Convert to fraction form
470,730.91/705,555.07 = 217,479.38/x - Step 3: Cross multiply
470,730.91x = 705,555.07 × 217,479.38 - Step 4: Simplify right side
470,730.91x = 153,443,678,092.06 - Step 5: Solve for x
x = 153,443,678,092.06/470,730.91 - Step 6: Final answer
x = 325,968.99
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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.