Finding the Fourth Proportional to 455,518.22, 628,607.99 and 251,564.13
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Solution
The fourth proportional to 455,518.22, 628,607.99 and 251,564.13 is: 347,154.55
Step by Step Solution
- Step 1: Write the proportion equation
455,518.22 : 628,607.99 = 251,564.13 : x - Step 2: Convert to fraction form
455,518.22/628,607.99 = 251,564.13/x - Step 3: Cross multiply
455,518.22x = 628,607.99 × 251,564.13 - Step 4: Simplify right side
455,518.22x = 158,135,222,744.31 - Step 5: Solve for x
x = 158,135,222,744.31/455,518.22 - Step 6: Final answer
x = 347,154.55
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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.