Finding the Fourth Proportional to 277,865.64, 383,477.09 and 157,031.99
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Solution
The fourth proportional to 277,865.64, 383,477.09 and 157,031.99 is: 216,716.86
Step by Step Solution
- Step 1: Write the proportion equation
277,865.64 : 383,477.09 = 157,031.99 : x - Step 2: Convert to fraction form
277,865.64/383,477.09 = 157,031.99/x - Step 3: Cross multiply
277,865.64x = 383,477.09 × 157,031.99 - Step 4: Simplify right side
277,865.64x = 60,218,169,037.30 - Step 5: Solve for x
x = 60,218,169,037.30/277,865.64 - Step 6: Final answer
x = 216,716.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.