Finding the Fourth Proportional to 224,921.09, 310,391.09 and 122,946.98
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Solution
The fourth proportional to 224,921.09, 310,391.09 and 122,946.98 is: 169,666.82
Step by Step Solution
- Step 1: Write the proportion equation
224,921.09 : 310,391.09 = 122,946.98 : x - Step 2: Convert to fraction form
224,921.09/310,391.09 = 122,946.98/x - Step 3: Cross multiply
224,921.09x = 310,391.09 × 122,946.98 - Step 4: Simplify right side
224,921.09x = 38,161,645,582.45 - Step 5: Solve for x
x = 38,161,645,582.45/224,921.09 - Step 6: Final answer
x = 169,666.82
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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.