Finding the Fourth Proportional to 232,353.24, 320,634.18 and 128,982.12
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Solution
The fourth proportional to 232,353.24, 320,634.18 and 128,982.12 is: 177,987.95
Step by Step Solution
- Step 1: Write the proportion equation
232,353.24 : 320,634.18 = 128,982.12 : x - Step 2: Convert to fraction form
232,353.24/320,634.18 = 128,982.12/x - Step 3: Cross multiply
232,353.24x = 320,634.18 × 128,982.12 - Step 4: Simplify right side
232,353.24x = 41,356,076,280.86 - Step 5: Solve for x
x = 41,356,076,280.86/232,353.24 - Step 6: Final answer
x = 177,987.95
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1.5x scale
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.