Finding the Fourth Proportional to 455,241.64, 628,233.58 and 251,292.68
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Solution
The fourth proportional to 455,241.64, 628,233.58 and 251,292.68 is: 346,783.96
Step by Step Solution
- Step 1: Write the proportion equation
455,241.64 : 628,233.58 = 251,292.68 : x - Step 2: Convert to fraction form
455,241.64/628,233.58 = 251,292.68/x - Step 3: Cross multiply
455,241.64x = 628,233.58 × 251,292.68 - Step 4: Simplify right side
455,241.64x = 157,870,499,984.19 - Step 5: Solve for x
x = 157,870,499,984.19/455,241.64 - Step 6: Final answer
x = 346,783.96
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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.