Finding the Fourth Proportional to 257,095.78, 385,893.04 and 124,069.68
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Solution
The fourth proportional to 257,095.78, 385,893.04 and 124,069.68 is: 186,224.86
Step by Step Solution
- Step 1: Write the proportion equation
257,095.78 : 385,893.04 = 124,069.68 : x - Step 2: Convert to fraction form
257,095.78/385,893.04 = 124,069.68/x - Step 3: Cross multiply
257,095.78x = 385,893.04 × 124,069.68 - Step 4: Simplify right side
257,095.78x = 47,877,625,987.03 - Step 5: Solve for x
x = 47,877,625,987.03/257,095.78 - Step 6: Final answer
x = 186,224.86
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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.