Finding the Fourth Proportional to 161,058.24, 241,655.60 and 86,158.75
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Solution
The fourth proportional to 161,058.24, 241,655.60 and 86,158.75 is: 129,274.63
Step by Step Solution
- Step 1: Write the proportion equation
161,058.24 : 241,655.60 = 86,158.75 : x - Step 2: Convert to fraction form
161,058.24/241,655.60 = 86,158.75/x - Step 3: Cross multiply
161,058.24x = 241,655.60 × 86,158.75 - Step 4: Simplify right side
161,058.24x = 20,820,744,426.50 - Step 5: Solve for x
x = 20,820,744,426.50/161,058.24 - Step 6: Final answer
x = 129,274.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.