Finding the Fourth Proportional to 153,606.24, 230,440.80 and 87,076.08
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Solution
The fourth proportional to 153,606.24, 230,440.80 and 87,076.08 is: 130,631.94
Step by Step Solution
- Step 1: Write the proportion equation
153,606.24 : 230,440.80 = 87,076.08 : x - Step 2: Convert to fraction form
153,606.24/230,440.80 = 87,076.08/x - Step 3: Cross multiply
153,606.24x = 230,440.80 × 87,076.08 - Step 4: Simplify right side
153,606.24x = 20,065,881,536.06 - Step 5: Solve for x
x = 20,065,881,536.06/153,606.24 - Step 6: Final answer
x = 130,631.94
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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.