Finding the Fourth Proportional to 412,963.36, 619,437.76 and 113,442.80
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Solution
The fourth proportional to 412,963.36, 619,437.76 and 113,442.80 is: 170,162.20
Step by Step Solution
- Step 1: Write the proportion equation
412,963.36 : 619,437.76 = 113,442.80 : x - Step 2: Convert to fraction form
412,963.36/619,437.76 = 113,442.80/x - Step 3: Cross multiply
412,963.36x = 619,437.76 × 113,442.80 - Step 4: Simplify right side
412,963.36x = 70,270,753,920.13 - Step 5: Solve for x
x = 70,270,753,920.13/412,963.36 - Step 6: Final answer
x = 170,162.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.