Finding the Fourth Proportional to 268,319.73, 370,290.11 and 147,465.30
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Solution
The fourth proportional to 268,319.73, 370,290.11 and 147,465.30 is: 203,506.99
Step by Step Solution
- Step 1: Write the proportion equation
268,319.73 : 370,290.11 = 147,465.30 : x - Step 2: Convert to fraction form
268,319.73/370,290.11 = 147,465.30/x - Step 3: Cross multiply
268,319.73x = 370,290.11 × 147,465.30 - Step 4: Simplify right side
268,319.73x = 54,604,941,420.86 - Step 5: Solve for x
x = 54,604,941,420.86/268,319.73 - Step 6: Final answer
x = 203,506.99
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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.