Finding the Fourth Proportional to 106,308.75, 159,459.14 and 26,346.98
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Solution
The fourth proportional to 106,308.75, 159,459.14 and 26,346.98 is: 39,519.49
Step by Step Solution
- Step 1: Write the proportion equation
106,308.75 : 159,459.14 = 26,346.98 : x - Step 2: Convert to fraction form
106,308.75/159,459.14 = 26,346.98/x - Step 3: Cross multiply
106,308.75x = 159,459.14 × 26,346.98 - Step 4: Simplify right side
106,308.75x = 4,201,267,436.24 - Step 5: Solve for x
x = 4,201,267,436.24/106,308.75 - Step 6: Final answer
x = 39,519.49
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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.