Finding the Fourth Proportional to 224,643.99, 310,021.37 and 122,678.94
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Solution
The fourth proportional to 224,643.99, 310,021.37 and 122,678.94 is: 169,303.85
Step by Step Solution
- Step 1: Write the proportion equation
224,643.99 : 310,021.37 = 122,678.94 : x - Step 2: Convert to fraction form
224,643.99/310,021.37 = 122,678.94/x - Step 3: Cross multiply
224,643.99x = 310,021.37 × 122,678.94 - Step 4: Simplify right side
224,643.99x = 38,033,093,048.95 - Step 5: Solve for x
x = 38,033,093,048.95/224,643.99 - Step 6: Final answer
x = 169,303.85
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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.