Finding the Fourth Proportional to 172,719.36, 238,347.36 and 97,266.24
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Solution
The fourth proportional to 172,719.36, 238,347.36 and 97,266.24 is: 134,224.39
Step by Step Solution
- Step 1: Write the proportion equation
172,719.36 : 238,347.36 = 97,266.24 : x - Step 2: Convert to fraction form
172,719.36/238,347.36 = 97,266.24/x - Step 3: Cross multiply
172,719.36x = 238,347.36 × 97,266.24 - Step 4: Simplify right side
172,719.36x = 23,183,151,521.13 - Step 5: Solve for x
x = 23,183,151,521.13/172,719.36 - Step 6: Final answer
x = 134,224.39
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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.