Finding the Fourth Proportional to 306,571.08, 423,070.91 and 170,610.76
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Solution
The fourth proportional to 306,571.08, 423,070.91 and 170,610.76 is: 235,444.42
Step by Step Solution
- Step 1: Write the proportion equation
306,571.08 : 423,070.91 = 170,610.76 : x - Step 2: Convert to fraction form
306,571.08/423,070.91 = 170,610.76/x - Step 3: Cross multiply
306,571.08x = 423,070.91 × 170,610.76 - Step 4: Simplify right side
306,571.08x = 72,180,449,488.99 - Step 5: Solve for x
x = 72,180,449,488.99/306,571.08 - Step 6: Final answer
x = 235,444.42
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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.