Finding the Fourth Proportional to 472,850.76, 652,521.36 and 257,990.76
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Solution
The fourth proportional to 472,850.76, 652,521.36 and 257,990.76 is: 356,020.33
Step by Step Solution
- Step 1: Write the proportion equation
472,850.76 : 652,521.36 = 257,990.76 : x - Step 2: Convert to fraction form
472,850.76/652,521.36 = 257,990.76/x - Step 3: Cross multiply
472,850.76x = 652,521.36 × 257,990.76 - Step 4: Simplify right side
472,850.76x = 168,344,481,582.63 - Step 5: Solve for x
x = 168,344,481,582.63/472,850.76 - Step 6: Final answer
x = 356,020.33
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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.