Finding the Fourth Proportional to 358,008.11, 536,968.42 and 147,618.71
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Solution
The fourth proportional to 358,008.11, 536,968.42 and 147,618.71 is: 221,410.02
Step by Step Solution
- Step 1: Write the proportion equation
358,008.11 : 536,968.42 = 147,618.71 : x - Step 2: Convert to fraction form
358,008.11/536,968.42 = 147,618.71/x - Step 3: Cross multiply
358,008.11x = 536,968.42 × 147,618.71 - Step 4: Simplify right side
358,008.11x = 79,266,582,417.25 - Step 5: Solve for x
x = 79,266,582,417.25/358,008.11 - Step 6: Final answer
x = 221,410.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.