Finding the Fourth Proportional to 456,658.08, 630,441.48 and 275,416.08
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Solution
The fourth proportional to 456,658.08, 630,441.48 and 275,416.08 is: 380,226.98
Step by Step Solution
- Step 1: Write the proportion equation
456,658.08 : 630,441.48 = 275,416.08 : x - Step 2: Convert to fraction form
456,658.08/630,441.48 = 275,416.08/x - Step 3: Cross multiply
456,658.08x = 630,441.48 × 275,416.08 - Step 4: Simplify right side
456,658.08x = 173,633,721,091.00 - Step 5: Solve for x
x = 173,633,721,091.00/456,658.08 - Step 6: Final answer
x = 380,226.98
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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.