Finding the Fourth Proportional to 220,671.12, 304,548.56 and 130,056.26
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Solution
The fourth proportional to 220,671.12, 304,548.56 and 130,056.26 is: 179,490.85
Step by Step Solution
- Step 1: Write the proportion equation
220,671.12 : 304,548.56 = 130,056.26 : x - Step 2: Convert to fraction form
220,671.12/304,548.56 = 130,056.26/x - Step 3: Cross multiply
220,671.12x = 304,548.56 × 130,056.26 - Step 4: Simplify right side
220,671.12x = 39,608,446,701.99 - Step 5: Solve for x
x = 39,608,446,701.99/220,671.12 - Step 6: Final answer
x = 179,490.85
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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.