Finding the Fourth Proportional to 149,641.24, 223,970.28 and 113,909.68
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Solution
The fourth proportional to 149,641.24, 223,970.28 and 113,909.68 is: 170,490.32
Step by Step Solution
- Step 1: Write the proportion equation
149,641.24 : 223,970.28 = 113,909.68 : x - Step 2: Convert to fraction form
149,641.24/223,970.28 = 113,909.68/x - Step 3: Cross multiply
149,641.24x = 223,970.28 × 113,909.68 - Step 4: Simplify right side
149,641.24x = 25,512,382,924.31 - Step 5: Solve for x
x = 25,512,382,924.31/149,641.24 - Step 6: Final answer
x = 170,490.32
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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.