Finding the Fourth Proportional to 97,276.96, 145,921.92 and 30,719.80
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Solution
The fourth proportional to 97,276.96, 145,921.92 and 30,719.80 is: 46,081.75
Step by Step Solution
- Step 1: Write the proportion equation
97,276.96 : 145,921.92 = 30,719.80 : x - Step 2: Convert to fraction form
97,276.96/145,921.92 = 30,719.80/x - Step 3: Cross multiply
97,276.96x = 145,921.92 × 30,719.80 - Step 4: Simplify right side
97,276.96x = 4,482,692,198.02 - Step 5: Solve for x
x = 4,482,692,198.02/97,276.96 - Step 6: Final answer
x = 46,081.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.