Finding the Fourth Proportional to 257,055.08, 385,520.48 and 99,182.84
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Solution
The fourth proportional to 257,055.08, 385,520.48 and 99,182.84 is: 148,750.28
Step by Step Solution
- Step 1: Write the proportion equation
257,055.08 : 385,520.48 = 99,182.84 : x - Step 2: Convert to fraction form
257,055.08/385,520.48 = 99,182.84/x - Step 3: Cross multiply
257,055.08x = 385,520.48 × 99,182.84 - Step 4: Simplify right side
257,055.08x = 38,237,016,084.56 - Step 5: Solve for x
x = 38,237,016,084.56/257,055.08 - Step 6: Final answer
x = 148,750.28
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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.