Finding the Fourth Proportional to 343,953.07, 474,699.03 and 207,987.99
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Solution
The fourth proportional to 343,953.07, 474,699.03 and 207,987.99 is: 287,049.91
Step by Step Solution
- Step 1: Write the proportion equation
343,953.07 : 474,699.03 = 207,987.99 : x - Step 2: Convert to fraction form
343,953.07/474,699.03 = 207,987.99/x - Step 3: Cross multiply
343,953.07x = 474,699.03 × 207,987.99 - Step 4: Simplify right side
343,953.07x = 98,731,697,104.65 - Step 5: Solve for x
x = 98,731,697,104.65/343,953.07 - Step 6: Final answer
x = 287,049.91
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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.