Finding the Fourth Proportional to 143,258.88, 214,291.62 and 132,630.06
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Solution
The fourth proportional to 143,258.88, 214,291.62 and 132,630.06 is: 198,392.66
Step by Step Solution
- Step 1: Write the proportion equation
143,258.88 : 214,291.62 = 132,630.06 : x - Step 2: Convert to fraction form
143,258.88/214,291.62 = 132,630.06/x - Step 3: Cross multiply
143,258.88x = 214,291.62 × 132,630.06 - Step 4: Simplify right side
143,258.88x = 28,421,510,418.10 - Step 5: Solve for x
x = 28,421,510,418.10/143,258.88 - Step 6: Final answer
x = 198,392.66
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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.