Finding the Fourth Proportional to 197,519.36, 272,574.76 and 106,873.32
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Solution
The fourth proportional to 197,519.36, 272,574.76 and 106,873.32 is: 147,484.12
Step by Step Solution
- Step 1: Write the proportion equation
197,519.36 : 272,574.76 = 106,873.32 : x - Step 2: Convert to fraction form
197,519.36/272,574.76 = 106,873.32/x - Step 3: Cross multiply
197,519.36x = 272,574.76 × 106,873.32 - Step 4: Simplify right side
197,519.36x = 29,130,969,549.40 - Step 5: Solve for x
x = 29,130,969,549.40/197,519.36 - Step 6: Final answer
x = 147,484.12
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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.