Finding the Fourth Proportional to 652,021.38, 977,927.16 and 178,596.06
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Solution
The fourth proportional to 652,021.38, 977,927.16 and 178,596.06 is: 267,865.35
Step by Step Solution
- Step 1: Write the proportion equation
652,021.38 : 977,927.16 = 178,596.06 : x - Step 2: Convert to fraction form
652,021.38/977,927.16 = 178,596.06/x - Step 3: Cross multiply
652,021.38x = 977,927.16 × 178,596.06 - Step 4: Simplify right side
652,021.38x = 174,653,937,742.99 - Step 5: Solve for x
x = 174,653,937,742.99/652,021.38 - Step 6: Final answer
x = 267,865.35
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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.