Finding the Fourth Proportional to 246,428.36, 340,075.05 and 139,000.53
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Solution
The fourth proportional to 246,428.36, 340,075.05 and 139,000.53 is: 191,822.94
Step by Step Solution
- Step 1: Write the proportion equation
246,428.36 : 340,075.05 = 139,000.53 : x - Step 2: Convert to fraction form
246,428.36/340,075.05 = 139,000.53/x - Step 3: Cross multiply
246,428.36x = 340,075.05 × 139,000.53 - Step 4: Simplify right side
246,428.36x = 47,270,612,189.78 - Step 5: Solve for x
x = 47,270,612,189.78/246,428.36 - Step 6: Final answer
x = 191,822.94
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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.