Finding the Fourth Proportional to 319,028.80, 440,279.36 and 175,788.81
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Solution
The fourth proportional to 319,028.80, 440,279.36 and 175,788.81 is: 242,599.37
Step by Step Solution
- Step 1: Write the proportion equation
319,028.80 : 440,279.36 = 175,788.81 : x - Step 2: Convert to fraction form
319,028.80/440,279.36 = 175,788.81/x - Step 3: Cross multiply
319,028.80x = 440,279.36 × 175,788.81 - Step 4: Simplify right side
319,028.80x = 77,396,184,761.96 - Step 5: Solve for x
x = 77,396,184,761.96/319,028.80 - Step 6: Final answer
x = 242,599.37
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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.