Finding the Fourth Proportional to 172,637.88, 238,244.94 and 97,189.08
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Solution
The fourth proportional to 172,637.88, 238,244.94 and 97,189.08 is: 134,123.56
Step by Step Solution
- Step 1: Write the proportion equation
172,637.88 : 238,244.94 = 97,189.08 : x - Step 2: Convert to fraction form
172,637.88/238,244.94 = 97,189.08/x - Step 3: Cross multiply
172,637.88x = 238,244.94 × 97,189.08 - Step 4: Simplify right side
172,637.88x = 23,154,806,533.26 - Step 5: Solve for x
x = 23,154,806,533.26/172,637.88 - Step 6: Final answer
x = 134,123.56
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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.