Finding the Fourth Proportional to 302,987.44, 418,122.60 and 167,023.66
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Solution
The fourth proportional to 302,987.44, 418,122.60 and 167,023.66 is: 230,492.61
Step by Step Solution
- Step 1: Write the proportion equation
302,987.44 : 418,122.60 = 167,023.66 : x - Step 2: Convert to fraction form
302,987.44/418,122.60 = 167,023.66/x - Step 3: Cross multiply
302,987.44x = 418,122.60 × 167,023.66 - Step 4: Simplify right side
302,987.44x = 69,836,366,980.72 - Step 5: Solve for x
x = 69,836,366,980.72/302,987.44 - Step 6: Final answer
x = 230,492.61
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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.