Finding the Fourth Proportional to 75,454.84, 113,199.80 and 22,144.68
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Solution
The fourth proportional to 75,454.84, 113,199.80 and 22,144.68 is: 33,222.17
Step by Step Solution
- Step 1: Write the proportion equation
75,454.84 : 113,199.80 = 22,144.68 : x - Step 2: Convert to fraction form
75,454.84/113,199.80 = 22,144.68/x - Step 3: Cross multiply
75,454.84x = 113,199.80 × 22,144.68 - Step 4: Simplify right side
75,454.84x = 2,506,773,347.06 - Step 5: Solve for x
x = 2,506,773,347.06/75,454.84 - Step 6: Final answer
x = 33,222.17
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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.