Finding the Fourth Proportional to 160,438.14, 239,682.15 and 103,816.98
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Solution
The fourth proportional to 160,438.14, 239,682.15 and 103,816.98 is: 155,094.52
Step by Step Solution
- Step 1: Write the proportion equation
160,438.14 : 239,682.15 = 103,816.98 : x - Step 2: Convert to fraction form
160,438.14/239,682.15 = 103,816.98/x - Step 3: Cross multiply
160,438.14x = 239,682.15 × 103,816.98 - Step 4: Simplify right side
160,438.14x = 24,883,076,972.91 - Step 5: Solve for x
x = 24,883,076,972.91/160,438.14 - Step 6: Final answer
x = 155,094.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.