Finding the Fourth Proportional to 221,289.44, 331,637.67 and 207,117.68
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Solution
The fourth proportional to 221,289.44, 331,637.67 and 207,117.68 is: 310,399.02
Step by Step Solution
- Step 1: Write the proportion equation
221,289.44 : 331,637.67 = 207,117.68 : x - Step 2: Convert to fraction form
221,289.44/331,637.67 = 207,117.68/x - Step 3: Cross multiply
221,289.44x = 331,637.67 × 207,117.68 - Step 4: Simplify right side
221,289.44x = 68,688,023,152.82 - Step 5: Solve for x
x = 68,688,023,152.82/221,289.44 - Step 6: Final answer
x = 310,399.02
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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.