Finding the Fourth Proportional to 156,447.99, 234,671.58 and 109,908.63
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Solution
The fourth proportional to 156,447.99, 234,671.58 and 109,908.63 is: 164,862.66
Step by Step Solution
- Step 1: Write the proportion equation
156,447.99 : 234,671.58 = 109,908.63 : x - Step 2: Convert to fraction form
156,447.99/234,671.58 = 109,908.63/x - Step 3: Cross multiply
156,447.99x = 234,671.58 × 109,908.63 - Step 4: Simplify right side
156,447.99x = 25,792,431,857.74 - Step 5: Solve for x
x = 25,792,431,857.74/156,447.99 - Step 6: Final answer
x = 164,862.66
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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.