Finding the Fourth Proportional to 257,370.30, 385,634.12 and 247,528.80
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Solution
The fourth proportional to 257,370.30, 385,634.12 and 247,528.80 is: 370,887.98
Step by Step Solution
- Step 1: Write the proportion equation
257,370.30 : 385,634.12 = 247,528.80 : x - Step 2: Convert to fraction form
257,370.30/385,634.12 = 247,528.80/x - Step 3: Cross multiply
257,370.30x = 385,634.12 × 247,528.80 - Step 4: Simplify right side
257,370.30x = 95,455,549,725.01 - Step 5: Solve for x
x = 95,455,549,725.01/257,370.30 - Step 6: Final answer
x = 370,887.98
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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.