Finding the Fourth Proportional to 97,319.28, 134,277.62 and 54,869.60
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Solution
The fourth proportional to 97,319.28, 134,277.62 and 54,869.60 is: 75,707.09
Step by Step Solution
- Step 1: Write the proportion equation
97,319.28 : 134,277.62 = 54,869.60 : x - Step 2: Convert to fraction form
97,319.28/134,277.62 = 54,869.60/x - Step 3: Cross multiply
97,319.28x = 134,277.62 × 54,869.60 - Step 4: Simplify right side
97,319.28x = 7,367,759,298.35 - Step 5: Solve for x
x = 7,367,759,298.35/97,319.28 - Step 6: Final answer
x = 75,707.09
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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.