Finding the Fourth Proportional to 371,775.42, 557,347.84 and 147,294.45
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Solution
The fourth proportional to 371,775.42, 557,347.84 and 147,294.45 is: 220,816.76
Step by Step Solution
- Step 1: Write the proportion equation
371,775.42 : 557,347.84 = 147,294.45 : x - Step 2: Convert to fraction form
371,775.42/557,347.84 = 147,294.45/x - Step 3: Cross multiply
371,775.42x = 557,347.84 × 147,294.45 - Step 4: Simplify right side
371,775.42x = 82,094,243,183.25 - Step 5: Solve for x
x = 82,094,243,183.25/371,775.42 - Step 6: Final answer
x = 220,816.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.