Finding the Fourth Proportional to 224,805.80, 310,231.52 and 122,831.99
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Solution
The fourth proportional to 224,805.80, 310,231.52 and 122,831.99 is: 169,507.87
Step by Step Solution
- Step 1: Write the proportion equation
224,805.80 : 310,231.52 = 122,831.99 : x - Step 2: Convert to fraction form
224,805.80/310,231.52 = 122,831.99/x - Step 3: Cross multiply
224,805.80x = 310,231.52 × 122,831.99 - Step 4: Simplify right side
224,805.80x = 38,106,352,797.01 - Step 5: Solve for x
x = 38,106,352,797.01/224,805.80 - Step 6: Final answer
x = 169,507.87
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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.