Finding the Fourth Proportional to 313,116.84, 469,748.16 and 102,742.02
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Solution
The fourth proportional to 313,116.84, 469,748.16 and 102,742.02 is: 154,136.95
Step by Step Solution
- Step 1: Write the proportion equation
313,116.84 : 469,748.16 = 102,742.02 : x - Step 2: Convert to fraction form
313,116.84/469,748.16 = 102,742.02/x - Step 3: Cross multiply
313,116.84x = 469,748.16 × 102,742.02 - Step 4: Simplify right side
313,116.84x = 48,262,874,849.68 - Step 5: Solve for x
x = 48,262,874,849.68/313,116.84 - Step 6: Final answer
x = 154,136.95
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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.