Finding the Fourth Proportional to 307,522.88, 461,303.74 and 130,006.52
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Solution
The fourth proportional to 307,522.88, 461,303.74 and 130,006.52 is: 195,017.99
Step by Step Solution
- Step 1: Write the proportion equation
307,522.88 : 461,303.74 = 130,006.52 : x - Step 2: Convert to fraction form
307,522.88/461,303.74 = 130,006.52/x - Step 3: Cross multiply
307,522.88x = 461,303.74 × 130,006.52 - Step 4: Simplify right side
307,522.88x = 59,972,493,900.38 - Step 5: Solve for x
x = 59,972,493,900.38/307,522.88 - Step 6: Final answer
x = 195,017.99
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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.