Finding the Fourth Proportional to 455,284.54, 628,276.19 and 251,331.08
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Solution
The fourth proportional to 455,284.54, 628,276.19 and 251,331.08 is: 346,827.80
Step by Step Solution
- Step 1: Write the proportion equation
455,284.54 : 628,276.19 = 251,331.08 : x - Step 2: Convert to fraction form
455,284.54/628,276.19 = 251,331.08/x - Step 3: Cross multiply
455,284.54x = 628,276.19 × 251,331.08 - Step 4: Simplify right side
455,284.54x = 157,905,333,370.99 - Step 5: Solve for x
x = 157,905,333,370.99/455,284.54 - Step 6: Final answer
x = 346,827.80
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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.