Finding the Fourth Proportional to 475,642.08, 713,476.11 and 138,674.60
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Solution
The fourth proportional to 475,642.08, 713,476.11 and 138,674.60 is: 208,015.68
Step by Step Solution
- Step 1: Write the proportion equation
475,642.08 : 713,476.11 = 138,674.60 : x - Step 2: Convert to fraction form
475,642.08/713,476.11 = 138,674.60/x - Step 3: Cross multiply
475,642.08x = 713,476.11 × 138,674.60 - Step 4: Simplify right side
475,642.08x = 98,941,010,596.43 - Step 5: Solve for x
x = 98,941,010,596.43/475,642.08 - Step 6: Final answer
x = 208,015.68
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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.