Finding the Fourth Proportional to 203,577.84, 280,937.09 and 112,947.62
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Solution
The fourth proportional to 203,577.84, 280,937.09 and 112,947.62 is: 155,867.53
Step by Step Solution
- Step 1: Write the proportion equation
203,577.84 : 280,937.09 = 112,947.62 : x - Step 2: Convert to fraction form
203,577.84/280,937.09 = 112,947.62/x - Step 3: Cross multiply
203,577.84x = 280,937.09 × 112,947.62 - Step 4: Simplify right side
203,577.84x = 31,731,174,562.91 - Step 5: Solve for x
x = 31,731,174,562.91/203,577.84 - Step 6: Final answer
x = 155,867.53
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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.