Finding the Fourth Proportional to 422,319.24, 633,473.80 and 169,595.20
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Solution
The fourth proportional to 422,319.24, 633,473.80 and 169,595.20 is: 254,390.77
Step by Step Solution
- Step 1: Write the proportion equation
422,319.24 : 633,473.80 = 169,595.20 : x - Step 2: Convert to fraction form
422,319.24/633,473.80 = 169,595.20/x - Step 3: Cross multiply
422,319.24x = 633,473.80 × 169,595.20 - Step 4: Simplify right side
422,319.24x = 107,434,115,805.76 - Step 5: Solve for x
x = 107,434,115,805.76/422,319.24 - Step 6: Final answer
x = 254,390.77
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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.