Finding the Fourth Proportional to 383,901.84, 529,954.44 and 248,002.08
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Solution
The fourth proportional to 383,901.84, 529,954.44 and 248,002.08 is: 342,352.63
Step by Step Solution
- Step 1: Write the proportion equation
383,901.84 : 529,954.44 = 248,002.08 : x - Step 2: Convert to fraction form
383,901.84/529,954.44 = 248,002.08/x - Step 3: Cross multiply
383,901.84x = 529,954.44 × 248,002.08 - Step 4: Simplify right side
383,901.84x = 131,429,803,425.24 - Step 5: Solve for x
x = 131,429,803,425.24/383,901.84 - Step 6: Final answer
x = 342,352.63
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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.