Finding the Fourth Proportional to 436,025.78, 654,038.98 and 120,482.99
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Solution
The fourth proportional to 436,025.78, 654,038.98 and 120,482.99 is: 180,724.57
Step by Step Solution
- Step 1: Write the proportion equation
436,025.78 : 654,038.98 = 120,482.99 : x - Step 2: Convert to fraction form
436,025.78/654,038.98 = 120,482.99/x - Step 3: Cross multiply
436,025.78x = 654,038.98 × 120,482.99 - Step 4: Simplify right side
436,025.78x = 78,800,571,886.95 - Step 5: Solve for x
x = 78,800,571,886.95/436,025.78 - Step 6: Final answer
x = 180,724.57
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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.