Finding the Fourth Proportional to 268,341.78, 370,318.44 and 147,486.13
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Solution
The fourth proportional to 268,341.78, 370,318.44 and 147,486.13 is: 203,534.59
Step by Step Solution
- Step 1: Write the proportion equation
268,341.78 : 370,318.44 = 147,486.13 : x - Step 2: Convert to fraction form
268,341.78/370,318.44 = 147,486.13/x - Step 3: Cross multiply
268,341.78x = 370,318.44 × 147,486.13 - Step 4: Simplify right side
268,341.78x = 54,616,833,583.24 - Step 5: Solve for x
x = 54,616,833,583.24/268,341.78 - Step 6: Final answer
x = 203,534.59
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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.