Finding the Fourth Proportional to 472,682.99, 652,310.36 and 257,823.10
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Solution
The fourth proportional to 472,682.99, 652,310.36 and 257,823.10 is: 355,800.15
Step by Step Solution
- Step 1: Write the proportion equation
472,682.99 : 652,310.36 = 257,823.10 : x - Step 2: Convert to fraction form
472,682.99/652,310.36 = 257,823.10/x - Step 3: Cross multiply
472,682.99x = 652,310.36 × 257,823.10 - Step 4: Simplify right side
472,682.99x = 168,180,681,120.68 - Step 5: Solve for x
x = 168,180,681,120.68/472,682.99 - Step 6: Final answer
x = 355,800.15
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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.