Finding the Fourth Proportional to 99,681.96, 149,525.64 and 24,799.08
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Solution
The fourth proportional to 99,681.96, 149,525.64 and 24,799.08 is: 37,199.29
Step by Step Solution
- Step 1: Write the proportion equation
99,681.96 : 149,525.64 = 24,799.08 : x - Step 2: Convert to fraction form
99,681.96/149,525.64 = 24,799.08/x - Step 3: Cross multiply
99,681.96x = 149,525.64 × 24,799.08 - Step 4: Simplify right side
99,681.96x = 3,708,098,308.41 - Step 5: Solve for x
x = 3,708,098,308.41/99,681.96 - Step 6: Final answer
x = 37,199.29
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1.5x scale
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.