Finding the Fourth Proportional to 350,138.80, 525,467.40 and 139,927.60
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Solution
The fourth proportional to 350,138.80, 525,467.40 and 139,927.60 is: 209,994.99
Step by Step Solution
- Step 1: Write the proportion equation
350,138.80 : 525,467.40 = 139,927.60 : x - Step 2: Convert to fraction form
350,138.80/525,467.40 = 139,927.60/x - Step 3: Cross multiply
350,138.80x = 525,467.40 × 139,927.60 - Step 4: Simplify right side
350,138.80x = 73,527,392,160.24 - Step 5: Solve for x
x = 73,527,392,160.24/350,138.80 - Step 6: Final answer
x = 209,994.99
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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.