Finding the Fourth Proportional to 477,642.34, 716,253.15 and 252,950.26
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Solution
The fourth proportional to 477,642.34, 716,253.15 and 252,950.26 is: 379,313.99
Step by Step Solution
- Step 1: Write the proportion equation
477,642.34 : 716,253.15 = 252,950.26 : x - Step 2: Convert to fraction form
477,642.34/716,253.15 = 252,950.26/x - Step 3: Cross multiply
477,642.34x = 716,253.15 × 252,950.26 - Step 4: Simplify right side
477,642.34x = 181,176,418,727.69 - Step 5: Solve for x
x = 181,176,418,727.69/477,642.34 - Step 6: Final answer
x = 379,313.99
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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.