Finding the Fourth Proportional to 268,686.23, 370,777.64 and 147,826.26
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Solution
The fourth proportional to 268,686.23, 370,777.64 and 147,826.26 is: 203,995.09
Step by Step Solution
- Step 1: Write the proportion equation
268,686.23 : 370,777.64 = 147,826.26 : x - Step 2: Convert to fraction form
268,686.23/370,777.64 = 147,826.26/x - Step 3: Cross multiply
268,686.23x = 370,777.64 × 147,826.26 - Step 4: Simplify right side
268,686.23x = 54,810,671,073.70 - Step 5: Solve for x
x = 54,810,671,073.70/268,686.23 - Step 6: Final answer
x = 203,995.09
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1.5x scale
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.