Finding the Fourth Proportional to 456,688.77, 630,231.70 and 252,753.75
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Solution
The fourth proportional to 456,688.77, 630,231.70 and 252,753.75 is: 348,800.84
Step by Step Solution
- Step 1: Write the proportion equation
456,688.77 : 630,231.70 = 252,753.75 : x - Step 2: Convert to fraction form
456,688.77/630,231.70 = 252,753.75/x - Step 3: Cross multiply
456,688.77x = 630,231.70 × 252,753.75 - Step 4: Simplify right side
456,688.77x = 159,293,425,543.88 - Step 5: Solve for x
x = 159,293,425,543.88/456,688.77 - Step 6: Final answer
x = 348,800.84
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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.