Finding the Fourth Proportional to 398,606.53, 549,765.98 and 255,379.99
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Solution
The fourth proportional to 398,606.53, 549,765.98 and 255,379.99 is: 352,225.11
Step by Step Solution
- Step 1: Write the proportion equation
398,606.53 : 549,765.98 = 255,379.99 : x - Step 2: Convert to fraction form
398,606.53/549,765.98 = 255,379.99/x - Step 3: Cross multiply
398,606.53x = 549,765.98 × 255,379.99 - Step 4: Simplify right side
398,606.53x = 140,399,229,197.84 - Step 5: Solve for x
x = 140,399,229,197.84/398,606.53 - Step 6: Final answer
x = 352,225.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.