Finding the Fourth Proportional to 230,206.84, 317,700.02 and 129,611.32
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Solution
The fourth proportional to 230,206.84, 317,700.02 and 129,611.32 is: 178,871.83
Step by Step Solution
- Step 1: Write the proportion equation
230,206.84 : 317,700.02 = 129,611.32 : x - Step 2: Convert to fraction form
230,206.84/317,700.02 = 129,611.32/x - Step 3: Cross multiply
230,206.84x = 317,700.02 × 129,611.32 - Step 4: Simplify right side
230,206.84x = 41,177,518,956.23 - Step 5: Solve for x
x = 41,177,518,956.23/230,206.84 - Step 6: Final answer
x = 178,871.83
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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.