Finding the Fourth Proportional to 461,809.07, 637,307.33 and 257,853.09
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Solution
The fourth proportional to 461,809.07, 637,307.33 and 257,853.09 is: 355,843.30
Step by Step Solution
- Step 1: Write the proportion equation
461,809.07 : 637,307.33 = 257,853.09 : x - Step 2: Convert to fraction form
461,809.07/637,307.33 = 257,853.09/x - Step 3: Cross multiply
461,809.07x = 637,307.33 × 257,853.09 - Step 4: Simplify right side
461,809.07x = 164,331,663,030.88 - Step 5: Solve for x
x = 164,331,663,030.88/461,809.07 - Step 6: Final answer
x = 355,843.30
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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.