Finding the Fourth Proportional to 242,713.98, 334,946.94 and 135,290.88
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Solution
The fourth proportional to 242,713.98, 334,946.94 and 135,290.88 is: 186,702.33
Step by Step Solution
- Step 1: Write the proportion equation
242,713.98 : 334,946.94 = 135,290.88 : x - Step 2: Convert to fraction form
242,713.98/334,946.94 = 135,290.88/x - Step 3: Cross multiply
242,713.98x = 334,946.94 × 135,290.88 - Step 4: Simplify right side
242,713.98x = 45,315,266,265.91 - Step 5: Solve for x
x = 45,315,266,265.91/242,713.98 - Step 6: Final answer
x = 186,702.33
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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.