Finding the Fourth Proportional to 372,006.84, 513,347.64 and 202,239.48
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Solution
The fourth proportional to 372,006.84, 513,347.64 and 202,239.48 is: 279,078.63
Step by Step Solution
- Step 1: Write the proportion equation
372,006.84 : 513,347.64 = 202,239.48 : x - Step 2: Convert to fraction form
372,006.84/513,347.64 = 202,239.48/x - Step 3: Cross multiply
372,006.84x = 513,347.64 × 202,239.48 - Step 4: Simplify right side
372,006.84x = 103,819,159,772.83 - Step 5: Solve for x
x = 103,819,159,772.83/372,006.84 - Step 6: Final answer
x = 279,078.63
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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.