Finding the Fourth Proportional to 172,646.88, 238,257.36 and 97,198.08
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Solution
The fourth proportional to 172,646.88, 238,257.36 and 97,198.08 is: 134,135.98
Step by Step Solution
- Step 1: Write the proportion equation
172,646.88 : 238,257.36 = 97,198.08 : x - Step 2: Convert to fraction form
172,646.88/238,257.36 = 97,198.08/x - Step 3: Cross multiply
172,646.88x = 238,257.36 × 97,198.08 - Step 4: Simplify right side
172,646.88x = 23,158,157,937.87 - Step 5: Solve for x
x = 23,158,157,937.87/172,646.88 - Step 6: Final answer
x = 134,135.98
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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.