Finding the Fourth Proportional to 457,076.58, 630,676.17 and 253,117.62
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Solution
The fourth proportional to 457,076.58, 630,676.17 and 253,117.62 is: 349,252.75
Step by Step Solution
- Step 1: Write the proportion equation
457,076.58 : 630,676.17 = 253,117.62 : x - Step 2: Convert to fraction form
457,076.58/630,676.17 = 253,117.62/x - Step 3: Cross multiply
457,076.58x = 630,676.17 × 253,117.62 - Step 4: Simplify right side
457,076.58x = 159,635,251,141.12 - Step 5: Solve for x
x = 159,635,251,141.12/457,076.58 - Step 6: Final answer
x = 349,252.75
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1.5x scale
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.