Finding the Fourth Proportional to 371,797.84, 513,079.68 and 210,683.68
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Solution
The fourth proportional to 371,797.84, 513,079.68 and 210,683.68 is: 290,742.72
Step by Step Solution
- Step 1: Write the proportion equation
371,797.84 : 513,079.68 = 210,683.68 : x - Step 2: Convert to fraction form
371,797.84/513,079.68 = 210,683.68/x - Step 3: Cross multiply
371,797.84x = 513,079.68 × 210,683.68 - Step 4: Simplify right side
371,797.84x = 108,097,515,115.62 - Step 5: Solve for x
x = 108,097,515,115.62/371,797.84 - Step 6: Final answer
x = 290,742.72
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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.