Finding the Fourth Proportional to 268,339.62, 370,317.54 and 147,485.19
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Solution
The fourth proportional to 268,339.62, 370,317.54 and 147,485.19 is: 203,534.43
Step by Step Solution
- Step 1: Write the proportion equation
268,339.62 : 370,317.54 = 147,485.19 : x - Step 2: Convert to fraction form
268,339.62/370,317.54 = 147,485.19/x - Step 3: Cross multiply
268,339.62x = 370,317.54 × 147,485.19 - Step 4: Simplify right side
268,339.62x = 54,616,352,747.23 - Step 5: Solve for x
x = 54,616,352,747.23/268,339.62 - Step 6: Final answer
x = 203,534.43
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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.