Finding the Fourth Proportional to 939,509.99, 1,409,252.69 and 229,544.18
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Solution
The fourth proportional to 939,509.99, 1,409,252.69 and 229,544.18 is: 344,313.26
Step by Step Solution
- Step 1: Write the proportion equation
939,509.99 : 1,409,252.69 = 229,544.18 : x - Step 2: Convert to fraction form
939,509.99/1,409,252.69 = 229,544.18/x - Step 3: Cross multiply
939,509.99x = 1,409,252.69 × 229,544.18 - Step 4: Simplify right side
939,509.99x = 323,485,750,189.57 - Step 5: Solve for x
x = 323,485,750,189.57/939,509.99 - Step 6: Final answer
x = 344,313.26
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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.