Finding the Fourth Proportional to 414,294.84, 621,442.32 and 130,029.28
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Solution
The fourth proportional to 414,294.84, 621,442.32 and 130,029.28 is: 195,043.94
Step by Step Solution
- Step 1: Write the proportion equation
414,294.84 : 621,442.32 = 130,029.28 : x - Step 2: Convert to fraction form
414,294.84/621,442.32 = 130,029.28/x - Step 3: Cross multiply
414,294.84x = 621,442.32 × 130,029.28 - Step 4: Simplify right side
414,294.84x = 80,805,697,431.13 - Step 5: Solve for x
x = 80,805,697,431.13/414,294.84 - Step 6: Final answer
x = 195,043.94
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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.