Finding the Fourth Proportional to 218,830.14, 328,023.61 and 147,577.68
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Solution
The fourth proportional to 218,830.14, 328,023.61 and 147,577.68 is: 221,217.07
Step by Step Solution
- Step 1: Write the proportion equation
218,830.14 : 328,023.61 = 147,577.68 : x - Step 2: Convert to fraction form
218,830.14/328,023.61 = 147,577.68/x - Step 3: Cross multiply
218,830.14x = 328,023.61 × 147,577.68 - Step 4: Simplify right side
218,830.14x = 48,408,962,980.08 - Step 5: Solve for x
x = 48,408,962,980.08/218,830.14 - Step 6: Final answer
x = 221,217.07
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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.