Finding the Fourth Proportional to 153,040.24, 211,195.36 and 85,055.08
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Solution
The fourth proportional to 153,040.24, 211,195.36 and 85,055.08 is: 117,375.92
Step by Step Solution
- Step 1: Write the proportion equation
153,040.24 : 211,195.36 = 85,055.08 : x - Step 2: Convert to fraction form
153,040.24/211,195.36 = 85,055.08/x - Step 3: Cross multiply
153,040.24x = 211,195.36 × 85,055.08 - Step 4: Simplify right side
153,040.24x = 17,963,238,240.43 - Step 5: Solve for x
x = 17,963,238,240.43/153,040.24 - Step 6: Final answer
x = 117,375.92
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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.