Finding the Fourth Proportional to 452,603.80, 678,905.60 and 115,645.08
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Solution
The fourth proportional to 452,603.80, 678,905.60 and 115,645.08 is: 173,467.59
Step by Step Solution
- Step 1: Write the proportion equation
452,603.80 : 678,905.60 = 115,645.08 : x - Step 2: Convert to fraction form
452,603.80/678,905.60 = 115,645.08/x - Step 3: Cross multiply
452,603.80x = 678,905.60 × 115,645.08 - Step 4: Simplify right side
452,603.80x = 78,512,091,846.22 - Step 5: Solve for x
x = 78,512,091,846.22/452,603.80 - Step 6: Final answer
x = 173,467.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.