Finding the Fourth Proportional to 286,102.41, 394,802.96 and 178,666.04
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Solution
The fourth proportional to 286,102.41, 394,802.96 and 178,666.04 is: 246,547.66
Step by Step Solution
- Step 1: Write the proportion equation
286,102.41 : 394,802.96 = 178,666.04 : x - Step 2: Convert to fraction form
286,102.41/394,802.96 = 178,666.04/x - Step 3: Cross multiply
286,102.41x = 394,802.96 × 178,666.04 - Step 4: Simplify right side
286,102.41x = 70,537,878,576.13 - Step 5: Solve for x
x = 70,537,878,576.13/286,102.41 - Step 6: Final answer
x = 246,547.66
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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.