Finding the Fourth Proportional to 547,866.49, 756,041.70 and 306,151.06
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Solution
The fourth proportional to 547,866.49, 756,041.70 and 306,151.06 is: 422,480.61
Step by Step Solution
- Step 1: Write the proportion equation
547,866.49 : 756,041.70 = 306,151.06 : x - Step 2: Convert to fraction form
547,866.49/756,041.70 = 306,151.06/x - Step 3: Cross multiply
547,866.49x = 756,041.70 × 306,151.06 - Step 4: Simplify right side
547,866.49x = 231,462,967,859.20 - Step 5: Solve for x
x = 231,462,967,859.20/547,866.49 - Step 6: Final answer
x = 422,480.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.