Finding the Fourth Proportional to 411,512.01, 567,908.63 and 230,213.12
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Solution
The fourth proportional to 411,512.01, 567,908.63 and 230,213.12 is: 317,706.45
Step by Step Solution
- Step 1: Write the proportion equation
411,512.01 : 567,908.63 = 230,213.12 : x - Step 2: Convert to fraction form
411,512.01/567,908.63 = 230,213.12/x - Step 3: Cross multiply
411,512.01x = 567,908.63 × 230,213.12 - Step 4: Simplify right side
411,512.01x = 130,740,018,719.23 - Step 5: Solve for x
x = 130,740,018,719.23/411,512.01 - Step 6: Final answer
x = 317,706.45
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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.