Finding the Fourth Proportional to 456,790.68, 630,355.35 and 252,850.50
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Solution
The fourth proportional to 456,790.68, 630,355.35 and 252,850.50 is: 348,924.95
Step by Step Solution
- Step 1: Write the proportion equation
456,790.68 : 630,355.35 = 252,850.50 : x - Step 2: Convert to fraction form
456,790.68/630,355.35 = 252,850.50/x - Step 3: Cross multiply
456,790.68x = 630,355.35 × 252,850.50 - Step 4: Simplify right side
456,790.68x = 159,385,665,425.18 - Step 5: Solve for x
x = 159,385,665,425.18/456,790.68 - Step 6: Final answer
x = 348,924.95
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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.