Finding the Fourth Proportional to 450,158.70, 621,149.98 and 259,135.17
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Solution
The fourth proportional to 450,158.70, 621,149.98 and 259,135.17 is: 357,566.80
Step by Step Solution
- Step 1: Write the proportion equation
450,158.70 : 621,149.98 = 259,135.17 : x - Step 2: Convert to fraction form
450,158.70/621,149.98 = 259,135.17/x - Step 3: Cross multiply
450,158.70x = 621,149.98 × 259,135.17 - Step 4: Simplify right side
450,158.70x = 160,961,805,662.80 - Step 5: Solve for x
x = 160,961,805,662.80/450,158.70 - Step 6: Final answer
x = 357,566.80
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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.