Finding the Fourth Proportional to 288,775.13, 433,337.65 and 122,563.13
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Solution
The fourth proportional to 288,775.13, 433,337.65 and 122,563.13 is: 183,918.94
Step by Step Solution
- Step 1: Write the proportion equation
288,775.13 : 433,337.65 = 122,563.13 : x - Step 2: Convert to fraction form
288,775.13/433,337.65 = 122,563.13/x - Step 3: Cross multiply
288,775.13x = 433,337.65 × 122,563.13 - Step 4: Simplify right side
288,775.13x = 53,111,216,257.75 - Step 5: Solve for x
x = 53,111,216,257.75/288,775.13 - Step 6: Final answer
x = 183,918.94
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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.