Finding the Fourth Proportional to 268,487.80, 370,509.84 and 147,628.12
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Solution
The fourth proportional to 268,487.80, 370,509.84 and 147,628.12 is: 203,724.98
Step by Step Solution
- Step 1: Write the proportion equation
268,487.80 : 370,509.84 = 147,628.12 : x - Step 2: Convert to fraction form
268,487.80/370,509.84 = 147,628.12/x - Step 3: Cross multiply
268,487.80x = 370,509.84 × 147,628.12 - Step 4: Simplify right side
268,487.80x = 54,697,671,120.70 - Step 5: Solve for x
x = 54,697,671,120.70/268,487.80 - Step 6: Final answer
x = 203,724.98
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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.