Finding the Fourth Proportional to 292,609.08, 439,002.09 and 207,384.75
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Solution
The fourth proportional to 292,609.08, 439,002.09 and 207,384.75 is: 311,139.83
Step by Step Solution
- Step 1: Write the proportion equation
292,609.08 : 439,002.09 = 207,384.75 : x - Step 2: Convert to fraction form
292,609.08/439,002.09 = 207,384.75/x - Step 3: Cross multiply
292,609.08x = 439,002.09 × 207,384.75 - Step 4: Simplify right side
292,609.08x = 91,042,338,684.13 - Step 5: Solve for x
x = 91,042,338,684.13/292,609.08 - Step 6: Final answer
x = 311,139.83
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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.