Finding the Fourth Proportional to 268,206.14, 370,130.99 and 147,355.25
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Solution
The fourth proportional to 268,206.14, 370,130.99 and 147,355.25 is: 203,353.83
Step by Step Solution
- Step 1: Write the proportion equation
268,206.14 : 370,130.99 = 147,355.25 : x - Step 2: Convert to fraction form
268,206.14/370,130.99 = 147,355.25/x - Step 3: Cross multiply
268,206.14x = 370,130.99 × 147,355.25 - Step 4: Simplify right side
268,206.14x = 54,540,745,302.06 - Step 5: Solve for x
x = 54,540,745,302.06/268,206.14 - Step 6: Final answer
x = 203,353.83
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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.