Finding the Fourth Proportional to 260,738.06, 390,395.84 and 197,366.09
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Solution
The fourth proportional to 260,738.06, 390,395.84 and 197,366.09 is: 295,510.75
Step by Step Solution
- Step 1: Write the proportion equation
260,738.06 : 390,395.84 = 197,366.09 : x - Step 2: Convert to fraction form
260,738.06/390,395.84 = 197,366.09/x - Step 3: Cross multiply
260,738.06x = 390,395.84 × 197,366.09 - Step 4: Simplify right side
260,738.06x = 77,050,897,554.26 - Step 5: Solve for x
x = 77,050,897,554.26/260,738.06 - Step 6: Final answer
x = 295,510.75
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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.