Finding the Fourth Proportional to 155,536.08, 214,644.62 and 88,472.40
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Solution
The fourth proportional to 155,536.08, 214,644.62 and 88,472.40 is: 122,094.66
Step by Step Solution
- Step 1: Write the proportion equation
155,536.08 : 214,644.62 = 88,472.40 : x - Step 2: Convert to fraction form
155,536.08/214,644.62 = 88,472.40/x - Step 3: Cross multiply
155,536.08x = 214,644.62 × 88,472.40 - Step 4: Simplify right side
155,536.08x = 18,990,124,678.49 - Step 5: Solve for x
x = 18,990,124,678.49/155,536.08 - Step 6: Final answer
x = 122,094.66
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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.