Finding the Fourth Proportional to 399,102.65, 550,766.76 and 235,764.53
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Solution
The fourth proportional to 399,102.65, 550,766.76 and 235,764.53 is: 325,358.07
Step by Step Solution
- Step 1: Write the proportion equation
399,102.65 : 550,766.76 = 235,764.53 : x - Step 2: Convert to fraction form
399,102.65/550,766.76 = 235,764.53/x - Step 3: Cross multiply
399,102.65x = 550,766.76 × 235,764.53 - Step 4: Simplify right side
399,102.65x = 129,851,266,311.02 - Step 5: Solve for x
x = 129,851,266,311.02/399,102.65 - Step 6: Final answer
x = 325,358.07
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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.