Finding the Fourth Proportional to 475,039.35, 655,556.08 and 257,248.12
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Solution
The fourth proportional to 475,039.35, 655,556.08 and 257,248.12 is: 355,003.37
Step by Step Solution
- Step 1: Write the proportion equation
475,039.35 : 655,556.08 = 257,248.12 : x - Step 2: Convert to fraction form
475,039.35/655,556.08 = 257,248.12/x - Step 3: Cross multiply
475,039.35x = 655,556.08 × 257,248.12 - Step 4: Simplify right side
475,039.35x = 168,640,573,061.14 - Step 5: Solve for x
x = 168,640,573,061.14/475,039.35 - Step 6: Final answer
x = 355,003.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.