Finding the Fourth Proportional to 153,349.20, 230,023.80 and 48,178.80
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Solution
The fourth proportional to 153,349.20, 230,023.80 and 48,178.80 is: 72,268.20
Step by Step Solution
- Step 1: Write the proportion equation
153,349.20 : 230,023.80 = 48,178.80 : x - Step 2: Convert to fraction form
153,349.20/230,023.80 = 48,178.80/x - Step 3: Cross multiply
153,349.20x = 230,023.80 × 48,178.80 - Step 4: Simplify right side
153,349.20x = 11,082,270,655.44 - Step 5: Solve for x
x = 11,082,270,655.44/153,349.20 - Step 6: Final answer
x = 72,268.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.