Finding the Fourth Proportional to 447,048.18, 616,789.62 and 253,424.88
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Solution
The fourth proportional to 447,048.18, 616,789.62 and 253,424.88 is: 349,648.75
Step by Step Solution
- Step 1: Write the proportion equation
447,048.18 : 616,789.62 = 253,424.88 : x - Step 2: Convert to fraction form
447,048.18/616,789.62 = 253,424.88/x - Step 3: Cross multiply
447,048.18x = 616,789.62 × 253,424.88 - Step 4: Simplify right side
447,048.18x = 156,309,835,433.75 - Step 5: Solve for x
x = 156,309,835,433.75/447,048.18 - Step 6: Final answer
x = 349,648.75
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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.