Finding the Fourth Proportional to 214,970.10, 322,600.95 and 139,907.40
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Solution
The fourth proportional to 214,970.10, 322,600.95 and 139,907.40 is: 209,955.99
Step by Step Solution
- Step 1: Write the proportion equation
214,970.10 : 322,600.95 = 139,907.40 : x - Step 2: Convert to fraction form
214,970.10/322,600.95 = 139,907.40/x - Step 3: Cross multiply
214,970.10x = 322,600.95 × 139,907.40 - Step 4: Simplify right side
214,970.10x = 45,134,260,152.03 - Step 5: Solve for x
x = 45,134,260,152.03/214,970.10 - Step 6: Final answer
x = 209,955.99
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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.