Finding the Fourth Proportional to 97,357.30, 134,350.17 and 54,338.02
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Solution
The fourth proportional to 97,357.30, 134,350.17 and 54,338.02 is: 74,984.85
Step by Step Solution
- Step 1: Write the proportion equation
97,357.30 : 134,350.17 = 54,338.02 : x - Step 2: Convert to fraction form
97,357.30/134,350.17 = 54,338.02/x - Step 3: Cross multiply
97,357.30x = 134,350.17 × 54,338.02 - Step 4: Simplify right side
97,357.30x = 7,300,322,224.46 - Step 5: Solve for x
x = 7,300,322,224.46/97,357.30 - Step 6: Final answer
x = 74,984.85
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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.