Finding the Fourth Proportional to 314,934.84, 434,611.44 and 201,823.20
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Solution
The fourth proportional to 314,934.84, 434,611.44 and 201,823.20 is: 278,516.89
Step by Step Solution
- Step 1: Write the proportion equation
314,934.84 : 434,611.44 = 201,823.20 : x - Step 2: Convert to fraction form
314,934.84/434,611.44 = 201,823.20/x - Step 3: Cross multiply
314,934.84x = 434,611.44 × 201,823.20 - Step 4: Simplify right side
314,934.84x = 87,714,671,577.41 - Step 5: Solve for x
x = 87,714,671,577.41/314,934.84 - Step 6: Final answer
x = 278,516.89
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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.