Finding the Fourth Proportional to 172,798.13, 238,461.42 and 97,346.63
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Solution
The fourth proportional to 172,798.13, 238,461.42 and 97,346.63 is: 134,338.35
Step by Step Solution
- Step 1: Write the proportion equation
172,798.13 : 238,461.42 = 97,346.63 : x - Step 2: Convert to fraction form
172,798.13/238,461.42 = 97,346.63/x - Step 3: Cross multiply
172,798.13x = 238,461.42 × 97,346.63 - Step 4: Simplify right side
172,798.13x = 23,213,414,429.71 - Step 5: Solve for x
x = 23,213,414,429.71/172,798.13 - Step 6: Final answer
x = 134,338.35
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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.