Finding the Fourth Proportional to 343,953.57, 474,699.72 and 207,988.49
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Solution
The fourth proportional to 343,953.57, 474,699.72 and 207,988.49 is: 287,050.60
Step by Step Solution
- Step 1: Write the proportion equation
343,953.57 : 474,699.72 = 207,988.49 : x - Step 2: Convert to fraction form
343,953.57/474,699.72 = 207,988.49/x - Step 3: Cross multiply
343,953.57x = 474,699.72 × 207,988.49 - Step 4: Simplify right side
343,953.57x = 98,732,077,966.22 - Step 5: Solve for x
x = 98,732,077,966.22/343,953.57 - Step 6: Final answer
x = 287,050.60
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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.