Finding the Fourth Proportional to 808,539.70, 1,212,809.55 and 247,501.30
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Solution
The fourth proportional to 808,539.70, 1,212,809.55 and 247,501.30 is: 371,251.95
Step by Step Solution
- Step 1: Write the proportion equation
808,539.70 : 1,212,809.55 = 247,501.30 : x - Step 2: Convert to fraction form
808,539.70/1,212,809.55 = 247,501.30/x - Step 3: Cross multiply
808,539.70x = 1,212,809.55 × 247,501.30 - Step 4: Simplify right side
808,539.70x = 300,171,940,277.42 - Step 5: Solve for x
x = 300,171,940,277.42/808,539.70 - Step 6: Final answer
x = 371,251.95
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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.