Finding the Fourth Proportional to 457,130.95, 630,845.36 and 275,807.84
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Solution
The fourth proportional to 457,130.95, 630,845.36 and 275,807.84 is: 380,617.63
Step by Step Solution
- Step 1: Write the proportion equation
457,130.95 : 630,845.36 = 275,807.84 : x - Step 2: Convert to fraction form
457,130.95/630,845.36 = 275,807.84/x - Step 3: Cross multiply
457,130.95x = 630,845.36 × 275,807.84 - Step 4: Simplify right side
457,130.95x = 173,992,094,736.58 - Step 5: Solve for x
x = 173,992,094,736.58/457,130.95 - Step 6: Final answer
x = 380,617.63
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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.