Finding the Fourth Proportional to 285,430.08, 393,734.88 and 224,777.28
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Solution
The fourth proportional to 285,430.08, 393,734.88 and 224,777.28 is: 310,067.72
Step by Step Solution
- Step 1: Write the proportion equation
285,430.08 : 393,734.88 = 224,777.28 : x - Step 2: Convert to fraction form
285,430.08/393,734.88 = 224,777.28/x - Step 3: Cross multiply
285,430.08x = 393,734.88 × 224,777.28 - Step 4: Simplify right side
285,430.08x = 88,502,655,367.53 - Step 5: Solve for x
x = 88,502,655,367.53/285,430.08 - Step 6: Final answer
x = 310,067.72
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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.