Finding the Fourth Proportional to 375,658.94, 518,246.42 and 248,511.62
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Solution
The fourth proportional to 375,658.94, 518,246.42 and 248,511.62 is: 342,838.26
Step by Step Solution
- Step 1: Write the proportion equation
375,658.94 : 518,246.42 = 248,511.62 : x - Step 2: Convert to fraction form
375,658.94/518,246.42 = 248,511.62/x - Step 3: Cross multiply
375,658.94x = 518,246.42 × 248,511.62 - Step 4: Simplify right side
375,658.94x = 128,790,257,393.40 - Step 5: Solve for x
x = 128,790,257,393.40/375,658.94 - Step 6: Final answer
x = 342,838.26
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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.