Finding the Fourth Proportional to 155,153.70, 232,730.55 and 147,936.60
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Solution
The fourth proportional to 155,153.70, 232,730.55 and 147,936.60 is: 221,904.90
Step by Step Solution
- Step 1: Write the proportion equation
155,153.70 : 232,730.55 = 147,936.60 : x - Step 2: Convert to fraction form
155,153.70/232,730.55 = 147,936.60/x - Step 3: Cross multiply
155,153.70x = 232,730.55 × 147,936.60 - Step 4: Simplify right side
155,153.70x = 34,429,366,283.13 - Step 5: Solve for x
x = 34,429,366,283.13/155,153.70 - Step 6: Final answer
x = 221,904.90
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1.5x scale
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.