Finding the Fourth Proportional to 455,274.33, 628,274.98 and 251,325.17
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Solution
The fourth proportional to 455,274.33, 628,274.98 and 251,325.17 is: 346,826.75
Step by Step Solution
- Step 1: Write the proportion equation
455,274.33 : 628,274.98 = 251,325.17 : x - Step 2: Convert to fraction form
455,274.33/628,274.98 = 251,325.17/x - Step 3: Cross multiply
455,274.33x = 628,274.98 × 251,325.17 - Step 4: Simplify right side
455,274.33x = 157,901,316,155.25 - Step 5: Solve for x
x = 157,901,316,155.25/455,274.33 - Step 6: Final answer
x = 346,826.75
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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.