Finding the Fourth Proportional to 889,983.99, 1,334,984.36 and 216,071.21
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Solution
The fourth proportional to 889,983.99, 1,334,984.36 and 216,071.21 is: 324,108.85
Step by Step Solution
- Step 1: Write the proportion equation
889,983.99 : 1,334,984.36 = 216,071.21 : x - Step 2: Convert to fraction form
889,983.99/1,334,984.36 = 216,071.21/x - Step 3: Cross multiply
889,983.99x = 1,334,984.36 × 216,071.21 - Step 4: Simplify right side
889,983.99x = 288,451,688,253.38 - Step 5: Solve for x
x = 288,451,688,253.38/889,983.99 - Step 6: Final answer
x = 324,108.85
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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.