Finding the Fourth Proportional to 212,652.08, 293,398.98 and 126,539.09
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Solution
The fourth proportional to 212,652.08, 293,398.98 and 126,539.09 is: 174,587.71
Step by Step Solution
- Step 1: Write the proportion equation
212,652.08 : 293,398.98 = 126,539.09 : x - Step 2: Convert to fraction form
212,652.08/293,398.98 = 126,539.09/x - Step 3: Cross multiply
212,652.08x = 293,398.98 × 126,539.09 - Step 4: Simplify right side
212,652.08x = 37,126,439,936.13 - Step 5: Solve for x
x = 37,126,439,936.13/212,652.08 - Step 6: Final answer
x = 174,587.71
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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.