Finding the Fourth Proportional to 456,778.09, 630,337.62 and 252,829.41
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Solution
The fourth proportional to 456,778.09, 630,337.62 and 252,829.41 is: 348,895.65
Step by Step Solution
- Step 1: Write the proportion equation
456,778.09 : 630,337.62 = 252,829.41 : x - Step 2: Convert to fraction form
456,778.09/630,337.62 = 252,829.41/x - Step 3: Cross multiply
456,778.09x = 630,337.62 × 252,829.41 - Step 4: Simplify right side
456,778.09x = 159,367,888,565.40 - Step 5: Solve for x
x = 159,367,888,565.40/456,778.09 - Step 6: Final answer
x = 348,895.65
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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.