Finding the Fourth Proportional to 134,468.20, 201,702.30 and 84,701.80
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Solution
The fourth proportional to 134,468.20, 201,702.30 and 84,701.80 is: 127,052.70
Step by Step Solution
- Step 1: Write the proportion equation
134,468.20 : 201,702.30 = 84,701.80 : x - Step 2: Convert to fraction form
134,468.20/201,702.30 = 84,701.80/x - Step 3: Cross multiply
134,468.20x = 201,702.30 × 84,701.80 - Step 4: Simplify right side
134,468.20x = 17,084,547,874.14 - Step 5: Solve for x
x = 17,084,547,874.14/134,468.20 - Step 6: Final answer
x = 127,052.70
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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.