Finding the Fourth Proportional to 257,120.77, 385,929.93 and 124,094.68
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Solution
The fourth proportional to 257,120.77, 385,929.93 and 124,094.68 is: 186,262.09
Step by Step Solution
- Step 1: Write the proportion equation
257,120.77 : 385,929.93 = 124,094.68 : x - Step 2: Convert to fraction form
257,120.77/385,929.93 = 124,094.68/x - Step 3: Cross multiply
257,120.77x = 385,929.93 × 124,094.68 - Step 4: Simplify right side
257,120.77x = 47,891,851,165.77 - Step 5: Solve for x
x = 47,891,851,165.77/257,120.77 - Step 6: Final answer
x = 186,262.09
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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.