Finding the Fourth Proportional to 137,323.22, 189,473.37 and 83,607.62
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Solution
The fourth proportional to 137,323.22, 189,473.37 and 83,607.62 is: 115,358.62
Step by Step Solution
- Step 1: Write the proportion equation
137,323.22 : 189,473.37 = 83,607.62 : x - Step 2: Convert to fraction form
137,323.22/189,473.37 = 83,607.62/x - Step 3: Cross multiply
137,323.22x = 189,473.37 × 83,607.62 - Step 4: Simplify right side
137,323.22x = 15,841,417,519.08 - Step 5: Solve for x
x = 15,841,417,519.08/137,323.22 - Step 6: Final answer
x = 115,358.62
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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.