Finding the Fourth Proportional to 472,682.12, 652,301.33 and 257,822.19
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Solution
The fourth proportional to 472,682.12, 652,301.33 and 257,822.19 is: 355,794.62
Step by Step Solution
- Step 1: Write the proportion equation
472,682.12 : 652,301.33 = 257,822.19 : x - Step 2: Convert to fraction form
472,682.12/652,301.33 = 257,822.19/x - Step 3: Cross multiply
472,682.12x = 652,301.33 × 257,822.19 - Step 4: Simplify right side
472,682.12x = 168,177,756,876.53 - Step 5: Solve for x
x = 168,177,756,876.53/472,682.12 - Step 6: Final answer
x = 355,794.62
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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.