Finding the Fourth Proportional to 313,696.99, 432,904.44 and 170,457.03
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Solution
The fourth proportional to 313,696.99, 432,904.44 and 170,457.03 is: 235,232.11
Step by Step Solution
- Step 1: Write the proportion equation
313,696.99 : 432,904.44 = 170,457.03 : x - Step 2: Convert to fraction form
313,696.99/432,904.44 = 170,457.03/x - Step 3: Cross multiply
313,696.99x = 432,904.44 × 170,457.03 - Step 4: Simplify right side
313,696.99x = 73,791,605,116.21 - Step 5: Solve for x
x = 73,791,605,116.21/313,696.99 - Step 6: Final answer
x = 235,232.11
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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.