Finding the Fourth Proportional to 185,891.62, 256,529.93 and 101,008.68
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Solution
The fourth proportional to 185,891.62, 256,529.93 and 101,008.68 is: 139,391.71
Step by Step Solution
- Step 1: Write the proportion equation
185,891.62 : 256,529.93 = 101,008.68 : x - Step 2: Convert to fraction form
185,891.62/256,529.93 = 101,008.68/x - Step 3: Cross multiply
185,891.62x = 256,529.93 × 101,008.68 - Step 4: Simplify right side
185,891.62x = 25,911,749,862.31 - Step 5: Solve for x
x = 25,911,749,862.31/185,891.62 - Step 6: Final answer
x = 139,391.71
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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.