Finding the Fourth Proportional to 239,232,176.40, 358,848,264.60 and 147,399,171.60
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Solution
The fourth proportional to 239,232,176.40, 358,848,264.60 and 147,399,171.60 is: 221,098,757.40
Step by Step Solution
- Step 1: Write the proportion equation
239,232,176.40 : 358,848,264.60 = 147,399,171.60 : x - Step 2: Convert to fraction form
239,232,176.40/358,848,264.60 = 147,399,171.60/x - Step 3: Cross multiply
239,232,176.40x = 358,848,264.60 × 147,399,171.60 - Step 4: Simplify right side
239,232,176.40x = 52,893,936,932,137,608 - Step 5: Solve for x
x = 52,893,936,932,137,608/239,232,176.40 - Step 6: Final answer
x = 221,098,757.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.