Finding the Fourth Proportional to 323,972.60, 485,813.10 and 124,226.60
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Solution
The fourth proportional to 323,972.60, 485,813.10 and 124,226.60 is: 186,283.99
Step by Step Solution
- Step 1: Write the proportion equation
323,972.60 : 485,813.10 = 124,226.60 : x - Step 2: Convert to fraction form
323,972.60/485,813.10 = 124,226.60/x - Step 3: Cross multiply
323,972.60x = 485,813.10 × 124,226.60 - Step 4: Simplify right side
323,972.60x = 60,350,909,648.46 - Step 5: Solve for x
x = 60,350,909,648.46/323,972.60 - Step 6: Final answer
x = 186,283.99
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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.