Finding the Fourth Proportional to 239,334.84, 330,276.39 and 130,442.62
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Solution
The fourth proportional to 239,334.84, 330,276.39 and 130,442.62 is: 180,007.71
Step by Step Solution
- Step 1: Write the proportion equation
239,334.84 : 330,276.39 = 130,442.62 : x - Step 2: Convert to fraction form
239,334.84/330,276.39 = 130,442.62/x - Step 3: Cross multiply
239,334.84x = 330,276.39 × 130,442.62 - Step 4: Simplify right side
239,334.84x = 43,082,115,984.36 - Step 5: Solve for x
x = 43,082,115,984.36/239,334.84 - Step 6: Final answer
x = 180,007.71
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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.