Finding the Fourth Proportional to 160,432.99, 221,420.69 and 92,436.93
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Solution
The fourth proportional to 160,432.99, 221,420.69 and 92,436.93 is: 127,576.31
Step by Step Solution
- Step 1: Write the proportion equation
160,432.99 : 221,420.69 = 92,436.93 : x - Step 2: Convert to fraction form
160,432.99/221,420.69 = 92,436.93/x - Step 3: Cross multiply
160,432.99x = 221,420.69 × 92,436.93 - Step 4: Simplify right side
160,432.99x = 20,467,448,822.08 - Step 5: Solve for x
x = 20,467,448,822.08/160,432.99 - Step 6: Final answer
x = 127,576.31
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1.5x scale
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.