Finding the Fourth Proportional to 268,780.53, 370,941.99 and 147,946.35
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Solution
The fourth proportional to 268,780.53, 370,941.99 and 147,946.35 is: 204,179.65
Step by Step Solution
- Step 1: Write the proportion equation
268,780.53 : 370,941.99 = 147,946.35 : x - Step 2: Convert to fraction form
268,780.53/370,941.99 = 147,946.35/x - Step 3: Cross multiply
268,780.53x = 370,941.99 × 147,946.35 - Step 4: Simplify right side
268,780.53x = 54,879,513,482.24 - Step 5: Solve for x
x = 54,879,513,482.24/268,780.53 - Step 6: Final answer
x = 204,179.65
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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.