Finding the Fourth Proportional to 371,995.84, 513,332.46 and 202,228.48
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Solution
The fourth proportional to 371,995.84, 513,332.46 and 202,228.48 is: 279,063.45
Step by Step Solution
- Step 1: Write the proportion equation
371,995.84 : 513,332.46 = 202,228.48 : x - Step 2: Convert to fraction form
371,995.84/513,332.46 = 202,228.48/x - Step 3: Cross multiply
371,995.84x = 513,332.46 × 202,228.48 - Step 4: Simplify right side
371,995.84x = 103,810,443,120.46 - Step 5: Solve for x
x = 103,810,443,120.46/371,995.84 - Step 6: Final answer
x = 279,063.45
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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.