Finding the Fourth Proportional to 133,303.23, 199,986.44 and 39,811.41
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Solution
The fourth proportional to 133,303.23, 199,986.44 and 39,811.41 is: 59,726.55
Step by Step Solution
- Step 1: Write the proportion equation
133,303.23 : 199,986.44 = 39,811.41 : x - Step 2: Convert to fraction form
133,303.23/199,986.44 = 39,811.41/x - Step 3: Cross multiply
133,303.23x = 199,986.44 × 39,811.41 - Step 4: Simplify right side
133,303.23x = 7,961,741,958.22 - Step 5: Solve for x
x = 7,961,741,958.22/133,303.23 - Step 6: Final answer
x = 59,726.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.