Finding the Fourth Proportional to 376,915.02, 520,120.86 and 207,149.14
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Solution
The fourth proportional to 376,915.02, 520,120.86 and 207,149.14 is: 285,853.79
Step by Step Solution
- Step 1: Write the proportion equation
376,915.02 : 520,120.86 = 207,149.14 : x - Step 2: Convert to fraction form
376,915.02/520,120.86 = 207,149.14/x - Step 3: Cross multiply
376,915.02x = 520,120.86 × 207,149.14 - Step 4: Simplify right side
376,915.02x = 107,742,588,845.06 - Step 5: Solve for x
x = 107,742,588,845.06/376,915.02 - Step 6: Final answer
x = 285,853.79
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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.