Finding the Fourth Proportional to 153,483.44, 230,258.10 and 86,955.44
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Solution
The fourth proportional to 153,483.44, 230,258.10 and 86,955.44 is: 130,451.82
Step by Step Solution
- Step 1: Write the proportion equation
153,483.44 : 230,258.10 = 86,955.44 : x - Step 2: Convert to fraction form
153,483.44/230,258.10 = 86,955.44/x - Step 3: Cross multiply
153,483.44x = 230,258.10 × 86,955.44 - Step 4: Simplify right side
153,483.44x = 20,022,194,399.06 - Step 5: Solve for x
x = 20,022,194,399.06/153,483.44 - Step 6: Final answer
x = 130,451.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.