Finding the Fourth Proportional to 519,731.88, 779,597.84 and 125,747.88
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Solution
The fourth proportional to 519,731.88, 779,597.84 and 125,747.88 is: 188,621.82
Step by Step Solution
- Step 1: Write the proportion equation
519,731.88 : 779,597.84 = 125,747.88 : x - Step 2: Convert to fraction form
519,731.88/779,597.84 = 125,747.88/x - Step 3: Cross multiply
519,731.88x = 779,597.84 × 125,747.88 - Step 4: Simplify right side
519,731.88x = 98,032,775,632.58 - Step 5: Solve for x
x = 98,032,775,632.58/519,731.88 - Step 6: Final answer
x = 188,621.82
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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.