Finding the Fourth Proportional to 268,317.11, 370,287.35 and 147,467.59
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Solution
The fourth proportional to 268,317.11, 370,287.35 and 147,467.59 is: 203,510.62
Step by Step Solution
- Step 1: Write the proportion equation
268,317.11 : 370,287.35 = 147,467.59 : x - Step 2: Convert to fraction form
268,317.11/370,287.35 = 147,467.59/x - Step 3: Cross multiply
268,317.11x = 370,287.35 × 147,467.59 - Step 4: Simplify right side
268,317.11x = 54,605,382,001.93 - Step 5: Solve for x
x = 54,605,382,001.93/268,317.11 - Step 6: Final answer
x = 203,510.62
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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.