Finding the Fourth Proportional to 383,536.18, 529,258.35 and 211,448.44
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Solution
The fourth proportional to 383,536.18, 529,258.35 and 211,448.44 is: 291,786.95
Step by Step Solution
- Step 1: Write the proportion equation
383,536.18 : 529,258.35 = 211,448.44 : x - Step 2: Convert to fraction form
383,536.18/529,258.35 = 211,448.44/x - Step 3: Cross multiply
383,536.18x = 529,258.35 × 211,448.44 - Step 4: Simplify right side
383,536.18x = 111,910,852,464.47 - Step 5: Solve for x
x = 111,910,852,464.47/383,536.18 - Step 6: Final answer
x = 291,786.95
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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.