Finding the Fourth Proportional to 172,576.76, 238,155.90 and 97,125.08
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Solution
The fourth proportional to 172,576.76, 238,155.90 and 97,125.08 is: 134,032.59
Step by Step Solution
- Step 1: Write the proportion equation
172,576.76 : 238,155.90 = 97,125.08 : x - Step 2: Convert to fraction form
172,576.76/238,155.90 = 97,125.08/x - Step 3: Cross multiply
172,576.76x = 238,155.90 × 97,125.08 - Step 4: Simplify right side
172,576.76x = 23,130,910,839.97 - Step 5: Solve for x
x = 23,130,910,839.97/172,576.76 - Step 6: Final answer
x = 134,032.59
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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.