Finding the Fourth Proportional to 230,070.42, 317,448.36 and 145,138.26
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Solution
The fourth proportional to 230,070.42, 317,448.36 and 145,138.26 is: 200,260.00
Step by Step Solution
- Step 1: Write the proportion equation
230,070.42 : 317,448.36 = 145,138.26 : x - Step 2: Convert to fraction form
230,070.42/317,448.36 = 145,138.26/x - Step 3: Cross multiply
230,070.42x = 317,448.36 × 145,138.26 - Step 4: Simplify right side
230,070.42x = 46,073,902,610.25 - Step 5: Solve for x
x = 46,073,902,610.25/230,070.42 - Step 6: Final answer
x = 200,260.00
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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.