Finding the Fourth Proportional to 79,284.03, 118,919.84 and 22,355.63
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Solution
The fourth proportional to 79,284.03, 118,919.84 and 22,355.63 is: 33,531.70
Step by Step Solution
- Step 1: Write the proportion equation
79,284.03 : 118,919.84 = 22,355.63 : x - Step 2: Convert to fraction form
79,284.03/118,919.84 = 22,355.63/x - Step 3: Cross multiply
79,284.03x = 118,919.84 × 22,355.63 - Step 4: Simplify right side
79,284.03x = 2,658,528,156.17 - Step 5: Solve for x
x = 2,658,528,156.17/79,284.03 - Step 6: Final answer
x = 33,531.70
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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.