Finding the Fourth Proportional to 613,106.26, 919,698.27 and 192,398.74
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Solution
The fourth proportional to 613,106.26, 919,698.27 and 192,398.74 is: 288,610.31
Step by Step Solution
- Step 1: Write the proportion equation
613,106.26 : 919,698.27 = 192,398.74 : x - Step 2: Convert to fraction form
613,106.26/919,698.27 = 192,398.74/x - Step 3: Cross multiply
613,106.26x = 919,698.27 × 192,398.74 - Step 4: Simplify right side
613,106.26x = 176,948,788,328.18 - Step 5: Solve for x
x = 176,948,788,328.18/613,106.26 - Step 6: Final answer
x = 288,610.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.