Finding the Fourth Proportional to 352,307.97, 486,178.74 and 214,437.06
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Solution
The fourth proportional to 352,307.97, 486,178.74 and 214,437.06 is: 295,919.33
Step by Step Solution
- Step 1: Write the proportion equation
352,307.97 : 486,178.74 = 214,437.06 : x - Step 2: Convert to fraction form
352,307.97/486,178.74 = 214,437.06/x - Step 3: Cross multiply
352,307.97x = 486,178.74 × 214,437.06 - Step 4: Simplify right side
352,307.97x = 104,254,739,640.10 - Step 5: Solve for x
x = 104,254,739,640.10/352,307.97 - Step 6: Final answer
x = 295,919.33
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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.