Finding the Fourth Proportional to 288,214.14, 397,742.22 and 180,788.70
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Solution
The fourth proportional to 288,214.14, 397,742.22 and 180,788.70 is: 249,492.61
Step by Step Solution
- Step 1: Write the proportion equation
288,214.14 : 397,742.22 = 180,788.70 : x - Step 2: Convert to fraction form
288,214.14/397,742.22 = 180,788.70/x - Step 3: Cross multiply
288,214.14x = 397,742.22 × 180,788.70 - Step 4: Simplify right side
288,214.14x = 71,907,298,888.91 - Step 5: Solve for x
x = 71,907,298,888.91/288,214.14 - Step 6: Final answer
x = 249,492.61
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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.