Finding the Fourth Proportional to 434,998.76, 652,420.06 and 119,414.12
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Solution
The fourth proportional to 434,998.76, 652,420.06 and 119,414.12 is: 179,099.75
Step by Step Solution
- Step 1: Write the proportion equation
434,998.76 : 652,420.06 = 119,414.12 : x - Step 2: Convert to fraction form
434,998.76/652,420.06 = 119,414.12/x - Step 3: Cross multiply
434,998.76x = 652,420.06 × 119,414.12 - Step 4: Simplify right side
434,998.76x = 77,908,167,335.25 - Step 5: Solve for x
x = 77,908,167,335.25/434,998.76 - Step 6: Final answer
x = 179,099.75
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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.