Finding the Fourth Proportional to 288,809.08, 433,029.26 and 138,750.84
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Solution
The fourth proportional to 288,809.08, 433,029.26 and 138,750.84 is: 208,037.69
Step by Step Solution
- Step 1: Write the proportion equation
288,809.08 : 433,029.26 = 138,750.84 : x - Step 2: Convert to fraction form
288,809.08/433,029.26 = 138,750.84/x - Step 3: Cross multiply
288,809.08x = 433,029.26 × 138,750.84 - Step 4: Simplify right side
288,809.08x = 60,083,173,569.58 - Step 5: Solve for x
x = 60,083,173,569.58/288,809.08 - Step 6: Final answer
x = 208,037.69
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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.