Finding the Fourth Proportional to 251,220.08, 346,670.88 and 138,020.96
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Solution
The fourth proportional to 251,220.08, 346,670.88 and 138,020.96 is: 190,461.88
Step by Step Solution
- Step 1: Write the proportion equation
251,220.08 : 346,670.88 = 138,020.96 : x - Step 2: Convert to fraction form
251,220.08/346,670.88 = 138,020.96/x - Step 3: Cross multiply
251,220.08x = 346,670.88 × 138,020.96 - Step 4: Simplify right side
251,220.08x = 47,847,847,661.64 - Step 5: Solve for x
x = 47,847,847,661.64/251,220.08 - Step 6: Final answer
x = 190,461.88
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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.