Finding the Fourth Proportional to 224,176.30, 309,359.07 and 122,202.70
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Solution
The fourth proportional to 224,176.30, 309,359.07 and 122,202.70 is: 168,637.42
Step by Step Solution
- Step 1: Write the proportion equation
224,176.30 : 309,359.07 = 122,202.70 : x - Step 2: Convert to fraction form
224,176.30/309,359.07 = 122,202.70/x - Step 3: Cross multiply
224,176.30x = 309,359.07 × 122,202.70 - Step 4: Simplify right side
224,176.30x = 37,804,513,623.49 - Step 5: Solve for x
x = 37,804,513,623.49/224,176.30 - Step 6: Final answer
x = 168,637.42
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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.