Finding the Fourth Proportional to 613,905.62, 847,176.99 and 341,973.14
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Solution
The fourth proportional to 613,905.62, 847,176.99 and 341,973.14 is: 471,915.82
Step by Step Solution
- Step 1: Write the proportion equation
613,905.62 : 847,176.99 = 341,973.14 : x - Step 2: Convert to fraction form
613,905.62/847,176.99 = 341,973.14/x - Step 3: Cross multiply
613,905.62x = 847,176.99 × 341,973.14 - Step 4: Simplify right side
613,905.62x = 289,711,775,406.05 - Step 5: Solve for x
x = 289,711,775,406.05/613,905.62 - Step 6: Final answer
x = 471,915.82
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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.