Finding the Fourth Proportional to 315,103.36, 472,409.28 and 157,252.48
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Solution
The fourth proportional to 315,103.36, 472,409.28 and 157,252.48 is: 235,756.07
Step by Step Solution
- Step 1: Write the proportion equation
315,103.36 : 472,409.28 = 157,252.48 : x - Step 2: Convert to fraction form
315,103.36/472,409.28 = 157,252.48/x - Step 3: Cross multiply
315,103.36x = 472,409.28 × 157,252.48 - Step 4: Simplify right side
315,103.36x = 74,287,530,855.01 - Step 5: Solve for x
x = 74,287,530,855.01/315,103.36 - Step 6: Final answer
x = 235,756.07
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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.