Finding the Fourth Proportional to 231,646.12, 346,813.99 and 147,196.94
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Solution
The fourth proportional to 231,646.12, 346,813.99 and 147,196.94 is: 220,379.07
Step by Step Solution
- Step 1: Write the proportion equation
231,646.12 : 346,813.99 = 147,196.94 : x - Step 2: Convert to fraction form
231,646.12/346,813.99 = 147,196.94/x - Step 3: Cross multiply
231,646.12x = 346,813.99 × 147,196.94 - Step 4: Simplify right side
231,646.12x = 51,049,955,975.13 - Step 5: Solve for x
x = 51,049,955,975.13/231,646.12 - Step 6: Final answer
x = 220,379.07
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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.