Finding the Fourth Proportional to 239,765.36, 359,647.92 and 71,284.95
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Solution
The fourth proportional to 239,765.36, 359,647.92 and 71,284.95 is: 106,927.39
Step by Step Solution
- Step 1: Write the proportion equation
239,765.36 : 359,647.92 = 71,284.95 : x - Step 2: Convert to fraction form
239,765.36/359,647.92 = 71,284.95/x - Step 3: Cross multiply
239,765.36x = 359,647.92 × 71,284.95 - Step 4: Simplify right side
239,765.36x = 25,637,483,994.80 - Step 5: Solve for x
x = 25,637,483,994.80/239,765.36 - Step 6: Final answer
x = 106,927.39
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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.