Finding the Fourth Proportional to 288,394.73, 432,684.51 and 201,930.67
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Solution
The fourth proportional to 288,394.73, 432,684.51 and 201,930.67 is: 302,960.71
Step by Step Solution
- Step 1: Write the proportion equation
288,394.73 : 432,684.51 = 201,930.67 : x - Step 2: Convert to fraction form
288,394.73/432,684.51 = 201,930.67/x - Step 3: Cross multiply
288,394.73x = 432,684.51 × 201,930.67 - Step 4: Simplify right side
288,394.73x = 87,372,271,955.03 - Step 5: Solve for x
x = 87,372,271,955.03/288,394.73 - Step 6: Final answer
x = 302,960.71
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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.