Finding the Fourth Proportional to 155,714.16, 214,885.55 and 84,094.19
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Solution
The fourth proportional to 155,714.16, 214,885.55 and 84,094.19 is: 116,049.99
Step by Step Solution
- Step 1: Write the proportion equation
155,714.16 : 214,885.55 = 84,094.19 : x - Step 2: Convert to fraction form
155,714.16/214,885.55 = 84,094.19/x - Step 3: Cross multiply
155,714.16x = 214,885.55 × 84,094.19 - Step 4: Simplify right side
155,714.16x = 18,070,626,269.95 - Step 5: Solve for x
x = 18,070,626,269.95/155,714.16 - Step 6: Final answer
x = 116,049.99
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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.