Finding the Fourth Proportional to 172,645.17, 238,283.40 and 97,193.67
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Solution
The fourth proportional to 172,645.17, 238,283.40 and 97,193.67 is: 134,145.88
Step by Step Solution
- Step 1: Write the proportion equation
172,645.17 : 238,283.40 = 97,193.67 : x - Step 2: Convert to fraction form
172,645.17/238,283.40 = 97,193.67/x - Step 3: Cross multiply
172,645.17x = 238,283.40 × 97,193.67 - Step 4: Simplify right side
172,645.17x = 23,159,638,146.08 - Step 5: Solve for x
x = 23,159,638,146.08/172,645.17 - Step 6: Final answer
x = 134,145.88
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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.