Finding the Fourth Proportional to 341,726.79, 471,581.09 and 188,775.48
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Solution
The fourth proportional to 341,726.79, 471,581.09 and 188,775.48 is: 260,509.12
Step by Step Solution
- Step 1: Write the proportion equation
341,726.79 : 471,581.09 = 188,775.48 : x - Step 2: Convert to fraction form
341,726.79/471,581.09 = 188,775.48/x - Step 3: Cross multiply
341,726.79x = 471,581.09 × 188,775.48 - Step 4: Simplify right side
341,726.79x = 89,022,945,679.80 - Step 5: Solve for x
x = 89,022,945,679.80/341,726.79 - Step 6: Final answer
x = 260,509.12
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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.