Finding the Fourth Proportional to 456,686.77, 630,228.94 and 252,751.75
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Solution
The fourth proportional to 456,686.77, 630,228.94 and 252,751.75 is: 348,798.08
Step by Step Solution
- Step 1: Write the proportion equation
456,686.77 : 630,228.94 = 252,751.75 : x - Step 2: Convert to fraction form
456,686.77/630,228.94 = 252,751.75/x - Step 3: Cross multiply
456,686.77x = 630,228.94 × 252,751.75 - Step 4: Simplify right side
456,686.77x = 159,291,469,691.03 - Step 5: Solve for x
x = 159,291,469,691.03/456,686.77 - Step 6: Final answer
x = 348,798.08
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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.