Finding the Fourth Proportional to 268,479.75, 370,492.58 and 147,620.19
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Solution
The fourth proportional to 268,479.75, 370,492.58 and 147,620.19 is: 203,710.65
Step by Step Solution
- Step 1: Write the proportion equation
268,479.75 : 370,492.58 = 147,620.19 : x - Step 2: Convert to fraction form
268,479.75/370,492.58 = 147,620.19/x - Step 3: Cross multiply
268,479.75x = 370,492.58 × 147,620.19 - Step 4: Simplify right side
268,479.75x = 54,692,184,315.09 - Step 5: Solve for x
x = 54,692,184,315.09/268,479.75 - Step 6: Final answer
x = 203,710.65
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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.