Finding the Fourth Proportional to 450,603.68, 621,823.68 and 246,649.60
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Solution
The fourth proportional to 450,603.68, 621,823.68 and 246,649.60 is: 340,371.30
Step by Step Solution
- Step 1: Write the proportion equation
450,603.68 : 621,823.68 = 246,649.60 : x - Step 2: Convert to fraction form
450,603.68/621,823.68 = 246,649.60/x - Step 3: Cross multiply
450,603.68x = 621,823.68 × 246,649.60 - Step 4: Simplify right side
450,603.68x = 153,372,561,942.53 - Step 5: Solve for x
x = 153,372,561,942.53/450,603.68 - Step 6: Final answer
x = 340,371.30
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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.