Finding the Fourth Proportional to 134,368.69, 201,582.19 and 40,872.01
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Solution
The fourth proportional to 134,368.69, 201,582.19 and 40,872.01 is: 61,316.88
Step by Step Solution
- Step 1: Write the proportion equation
134,368.69 : 201,582.19 = 40,872.01 : x - Step 2: Convert to fraction form
134,368.69/201,582.19 = 40,872.01/x - Step 3: Cross multiply
134,368.69x = 201,582.19 × 40,872.01 - Step 4: Simplify right side
134,368.69x = 8,239,069,387.68 - Step 5: Solve for x
x = 8,239,069,387.68/134,368.69 - Step 6: Final answer
x = 61,316.88
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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.