Finding the Fourth Proportional to 268,970.08, 403,484.34 and 100,571.08
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Solution
The fourth proportional to 268,970.08, 403,484.34 and 100,571.08 is: 150,867.54
Step by Step Solution
- Step 1: Write the proportion equation
268,970.08 : 403,484.34 = 100,571.08 : x - Step 2: Convert to fraction form
268,970.08/403,484.34 = 100,571.08/x - Step 3: Cross multiply
268,970.08x = 403,484.34 × 100,571.08 - Step 4: Simplify right side
268,970.08x = 40,578,853,819.47 - Step 5: Solve for x
x = 40,578,853,819.47/268,970.08 - Step 6: Final answer
x = 150,867.54
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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.