Finding the Fourth Proportional to 159,232.90, 219,747.45 and 91,262.99
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Solution
The fourth proportional to 159,232.90, 219,747.45 and 91,262.99 is: 125,946.39
Step by Step Solution
- Step 1: Write the proportion equation
159,232.90 : 219,747.45 = 91,262.99 : x - Step 2: Convert to fraction form
159,232.90/219,747.45 = 91,262.99/x - Step 3: Cross multiply
159,232.90x = 219,747.45 × 91,262.99 - Step 4: Simplify right side
159,232.90x = 20,054,808,233.14 - Step 5: Solve for x
x = 20,054,808,233.14/159,232.90 - Step 6: Final answer
x = 125,946.39
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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.