Finding the Fourth Proportional to 277,760.78, 383,308.69 and 155,252.99
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Solution
The fourth proportional to 277,760.78, 383,308.69 and 155,252.99 is: 214,248.46
Step by Step Solution
- Step 1: Write the proportion equation
277,760.78 : 383,308.69 = 155,252.99 : x - Step 2: Convert to fraction form
277,760.78/383,308.69 = 155,252.99/x - Step 3: Cross multiply
277,760.78x = 383,308.69 × 155,252.99 - Step 4: Simplify right side
277,760.78x = 59,509,820,215.48 - Step 5: Solve for x
x = 59,509,820,215.48/277,760.78 - Step 6: Final answer
x = 214,248.46
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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.