Finding the Fourth Proportional to 250,977.68, 346,355.21 and 136,261.15
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Solution
The fourth proportional to 250,977.68, 346,355.21 and 136,261.15 is: 188,043.65
Step by Step Solution
- Step 1: Write the proportion equation
250,977.68 : 346,355.21 = 136,261.15 : x - Step 2: Convert to fraction form
250,977.68/346,355.21 = 136,261.15/x - Step 3: Cross multiply
250,977.68x = 346,355.21 × 136,261.15 - Step 4: Simplify right side
250,977.68x = 47,194,759,223.09 - Step 5: Solve for x
x = 47,194,759,223.09/250,977.68 - Step 6: Final answer
x = 188,043.65
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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.