Finding the Fourth Proportional to 258,468.58, 356,702.97 and 145,298.62
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Solution
The fourth proportional to 258,468.58, 356,702.97 and 145,298.62 is: 200,521.28
Step by Step Solution
- Step 1: Write the proportion equation
258,468.58 : 356,702.97 = 145,298.62 : x - Step 2: Convert to fraction form
258,468.58/356,702.97 = 145,298.62/x - Step 3: Cross multiply
258,468.58x = 356,702.97 × 145,298.62 - Step 4: Simplify right side
258,468.58x = 51,828,449,290.90 - Step 5: Solve for x
x = 51,828,449,290.90/258,468.58 - Step 6: Final answer
x = 200,521.28
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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.