Finding the Fourth Proportional to 120,269.17, 165,989.04 and 69,272.08
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Solution
The fourth proportional to 120,269.17, 165,989.04 and 69,272.08 is: 95,605.60
Step by Step Solution
- Step 1: Write the proportion equation
120,269.17 : 165,989.04 = 69,272.08 : x - Step 2: Convert to fraction form
120,269.17/165,989.04 = 69,272.08/x - Step 3: Cross multiply
120,269.17x = 165,989.04 × 69,272.08 - Step 4: Simplify right side
120,269.17x = 11,498,406,058.00 - Step 5: Solve for x
x = 11,498,406,058.00/120,269.17 - Step 6: Final answer
x = 95,605.60
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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.