Finding the Fourth Proportional to 278,135.01, 383,824.71 and 150,807.87
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Solution
The fourth proportional to 278,135.01, 383,824.71 and 150,807.87 is: 208,113.99
Step by Step Solution
- Step 1: Write the proportion equation
278,135.01 : 383,824.71 = 150,807.87 : x - Step 2: Convert to fraction form
278,135.01/383,824.71 = 150,807.87/x - Step 3: Cross multiply
278,135.01x = 383,824.71 × 150,807.87 - Step 4: Simplify right side
278,135.01x = 57,883,786,968.47 - Step 5: Solve for x
x = 57,883,786,968.47/278,135.01 - Step 6: Final answer
x = 208,113.99
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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.