Finding the Fourth Proportional to 319,634.47, 441,094.67 and 176,393.49
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Solution
The fourth proportional to 319,634.47, 441,094.67 and 176,393.49 is: 243,422.52
Step by Step Solution
- Step 1: Write the proportion equation
319,634.47 : 441,094.67 = 176,393.49 : x - Step 2: Convert to fraction form
319,634.47/441,094.67 = 176,393.49/x - Step 3: Cross multiply
319,634.47x = 441,094.67 × 176,393.49 - Step 4: Simplify right side
319,634.47x = 77,806,228,868.26 - Step 5: Solve for x
x = 77,806,228,868.26/319,634.47 - Step 6: Final answer
x = 243,422.52
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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.