Finding the Fourth Proportional to 122,284.08, 183,395.34 and 47,378.52
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Solution
The fourth proportional to 122,284.08, 183,395.34 and 47,378.52 is: 71,055.85
Step by Step Solution
- Step 1: Write the proportion equation
122,284.08 : 183,395.34 = 47,378.52 : x - Step 2: Convert to fraction form
122,284.08/183,395.34 = 47,378.52/x - Step 3: Cross multiply
122,284.08x = 183,395.34 × 47,378.52 - Step 4: Simplify right side
122,284.08x = 8,688,999,784.10 - Step 5: Solve for x
x = 8,688,999,784.10/122,284.08 - Step 6: Final answer
x = 71,055.85
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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.