Finding the Fourth Proportional to 224,280.63, 309,507.21 and 123,678.63
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Solution
The fourth proportional to 224,280.63, 309,507.21 and 123,678.63 is: 170,676.48
Step by Step Solution
- Step 1: Write the proportion equation
224,280.63 : 309,507.21 = 123,678.63 : x - Step 2: Convert to fraction form
224,280.63/309,507.21 = 123,678.63/x - Step 3: Cross multiply
224,280.63x = 309,507.21 × 123,678.63 - Step 4: Simplify right side
224,280.63x = 38,279,427,707.92 - Step 5: Solve for x
x = 38,279,427,707.92/224,280.63 - Step 6: Final answer
x = 170,676.48
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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.