Finding the Fourth Proportional to 288,028.18, 432,041.78 and 119,435.99
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Solution
The fourth proportional to 288,028.18, 432,041.78 and 119,435.99 is: 179,153.79
Step by Step Solution
- Step 1: Write the proportion equation
288,028.18 : 432,041.78 = 119,435.99 : x - Step 2: Convert to fraction form
288,028.18/432,041.78 = 119,435.99/x - Step 3: Cross multiply
288,028.18x = 432,041.78 × 119,435.99 - Step 4: Simplify right side
288,028.18x = 51,601,339,094.36 - Step 5: Solve for x
x = 51,601,339,094.36/288,028.18 - Step 6: Final answer
x = 179,153.79
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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.