Finding the Fourth Proportional to 450,480.80, 675,521.94 and 134,878.88
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Solution
The fourth proportional to 450,480.80, 675,521.94 and 134,878.88 is: 202,258.66
Step by Step Solution
- Step 1: Write the proportion equation
450,480.80 : 675,521.94 = 134,878.88 : x - Step 2: Convert to fraction form
450,480.80/675,521.94 = 134,878.88/x - Step 3: Cross multiply
450,480.80x = 675,521.94 × 134,878.88 - Step 4: Simplify right side
450,480.80x = 91,113,642,682.63 - Step 5: Solve for x
x = 91,113,642,682.63/450,480.80 - Step 6: Final answer
x = 202,258.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.