Finding the Fourth Proportional to 159,622.74, 239,468.76 and 79,703.70
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Solution
The fourth proportional to 159,622.74, 239,468.76 and 79,703.70 is: 119,572.85
Step by Step Solution
- Step 1: Write the proportion equation
159,622.74 : 239,468.76 = 79,703.70 : x - Step 2: Convert to fraction form
159,622.74/239,468.76 = 79,703.70/x - Step 3: Cross multiply
159,622.74x = 239,468.76 × 79,703.70 - Step 4: Simplify right side
159,622.74x = 19,086,546,206.41 - Step 5: Solve for x
x = 19,086,546,206.41/159,622.74 - Step 6: Final answer
x = 119,572.85
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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.