Finding the Fourth Proportional to 313,208.17, 432,228.41 and 169,968.18
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Solution
The fourth proportional to 313,208.17, 432,228.41 and 169,968.18 is: 234,556.70
Step by Step Solution
- Step 1: Write the proportion equation
313,208.17 : 432,228.41 = 169,968.18 : x - Step 2: Convert to fraction form
313,208.17/432,228.41 = 169,968.18/x - Step 3: Cross multiply
313,208.17x = 432,228.41 × 169,968.18 - Step 4: Simplify right side
313,208.17x = 73,465,076,191.99 - Step 5: Solve for x
x = 73,465,076,191.99/313,208.17 - Step 6: Final answer
x = 234,556.70
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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.