Finding the Fourth Proportional to 224,735.40, 310,135.91 and 122,762.28
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Solution
The fourth proportional to 224,735.40, 310,135.91 and 122,762.28 is: 169,412.52
Step by Step Solution
- Step 1: Write the proportion equation
224,735.40 : 310,135.91 = 122,762.28 : x - Step 2: Convert to fraction form
224,735.40/310,135.91 = 122,762.28/x - Step 3: Cross multiply
224,735.40x = 310,135.91 × 122,762.28 - Step 4: Simplify right side
224,735.40x = 38,072,991,421.47 - Step 5: Solve for x
x = 38,072,991,421.47/224,735.40 - Step 6: Final answer
x = 169,412.52
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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.