Finding the Fourth Proportional to 313,696.98, 432,904.58 and 170,457.02
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Solution
The fourth proportional to 313,696.98, 432,904.58 and 170,457.02 is: 235,232.18
Step by Step Solution
- Step 1: Write the proportion equation
313,696.98 : 432,904.58 = 170,457.02 : x - Step 2: Convert to fraction form
313,696.98/432,904.58 = 170,457.02/x - Step 3: Cross multiply
313,696.98x = 432,904.58 × 170,457.02 - Step 4: Simplify right side
313,696.98x = 73,791,624,881.13 - Step 5: Solve for x
x = 73,791,624,881.13/313,696.98 - Step 6: Final answer
x = 235,232.18
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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.