Finding the Fourth Proportional to 349,228.53, 523,939.50 and 139,014.09
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Solution
The fourth proportional to 349,228.53, 523,939.50 and 139,014.09 is: 208,559.63
Step by Step Solution
- Step 1: Write the proportion equation
349,228.53 : 523,939.50 = 139,014.09 : x - Step 2: Convert to fraction form
349,228.53/523,939.50 = 139,014.09/x - Step 3: Cross multiply
349,228.53x = 523,939.50 × 139,014.09 - Step 4: Simplify right side
349,228.53x = 72,834,972,807.56 - Step 5: Solve for x
x = 72,834,972,807.56/349,228.53 - Step 6: Final answer
x = 208,559.63
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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.