Finding the Fourth Proportional to 227,657.58, 314,208.58 and 135,782.75
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Solution
The fourth proportional to 227,657.58, 314,208.58 and 135,782.75 is: 187,404.72
Step by Step Solution
- Step 1: Write the proportion equation
227,657.58 : 314,208.58 = 135,782.75 : x - Step 2: Convert to fraction form
227,657.58/314,208.58 = 135,782.75/x - Step 3: Cross multiply
227,657.58x = 314,208.58 × 135,782.75 - Step 4: Simplify right side
227,657.58x = 42,664,104,387.08 - Step 5: Solve for x
x = 42,664,104,387.08/227,657.58 - Step 6: Final answer
x = 187,404.72
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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.