Finding the Fourth Proportional to 202,526.98, 279,486.12 and 111,889.18
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Solution
The fourth proportional to 202,526.98, 279,486.12 and 111,889.18 is: 154,406.45
Step by Step Solution
- Step 1: Write the proportion equation
202,526.98 : 279,486.12 = 111,889.18 : x - Step 2: Convert to fraction form
202,526.98/279,486.12 = 111,889.18/x - Step 3: Cross multiply
202,526.98x = 279,486.12 × 111,889.18 - Step 4: Simplify right side
202,526.98x = 31,271,472,788.18 - Step 5: Solve for x
x = 31,271,472,788.18/202,526.98 - Step 6: Final answer
x = 154,406.45
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1.5x scale
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.