Finding the Fourth Proportional to 142,434.08, 213,585.26 and 52,454.08
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Solution
The fourth proportional to 142,434.08, 213,585.26 and 52,454.08 is: 78,656.86
Step by Step Solution
- Step 1: Write the proportion equation
142,434.08 : 213,585.26 = 52,454.08 : x - Step 2: Convert to fraction form
142,434.08/213,585.26 = 52,454.08/x - Step 3: Cross multiply
142,434.08x = 213,585.26 × 52,454.08 - Step 4: Simplify right side
142,434.08x = 11,203,417,518.63 - Step 5: Solve for x
x = 11,203,417,518.63/142,434.08 - Step 6: Final answer
x = 78,656.86
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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.