Finding the Fourth Proportional to 232,803.12, 321,276.77 and 130,830.60
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Solution
The fourth proportional to 232,803.12, 321,276.77 and 130,830.60 is: 180,550.99
Step by Step Solution
- Step 1: Write the proportion equation
232,803.12 : 321,276.77 = 130,830.60 : x - Step 2: Convert to fraction form
232,803.12/321,276.77 = 130,830.60/x - Step 3: Cross multiply
232,803.12x = 321,276.77 × 130,830.60 - Step 4: Simplify right side
232,803.12x = 42,032,833,626.41 - Step 5: Solve for x
x = 42,032,833,626.41/232,803.12 - Step 6: Final answer
x = 180,550.99
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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.