Finding the Fourth Proportional to 450,377.06, 621,573.63 and 254,148.62
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Solution
The fourth proportional to 450,377.06, 621,573.63 and 254,148.62 is: 350,755.17
Step by Step Solution
- Step 1: Write the proportion equation
450,377.06 : 621,573.63 = 254,148.62 : x - Step 2: Convert to fraction form
450,377.06/621,573.63 = 254,148.62/x - Step 3: Cross multiply
450,377.06x = 621,573.63 × 254,148.62 - Step 4: Simplify right side
450,377.06x = 157,972,080,292.89 - Step 5: Solve for x
x = 157,972,080,292.89/450,377.06 - Step 6: Final answer
x = 350,755.17
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1.5x scale
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.