Finding the Fourth Proportional to 491,163.48, 736,867.80 and 171,319.95
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Solution
The fourth proportional to 491,163.48, 736,867.80 and 171,319.95 is: 257,022.68
Step by Step Solution
- Step 1: Write the proportion equation
491,163.48 : 736,867.80 = 171,319.95 : x - Step 2: Convert to fraction form
491,163.48/736,867.80 = 171,319.95/x - Step 3: Cross multiply
491,163.48x = 736,867.80 × 171,319.95 - Step 4: Simplify right side
491,163.48x = 126,240,154,652.61 - Step 5: Solve for x
x = 126,240,154,652.61/491,163.48 - Step 6: Final answer
x = 257,022.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.