Finding the Fourth Proportional to 475,101.08, 655,638.39 and 257,309.09
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Solution
The fourth proportional to 475,101.08, 655,638.39 and 257,309.09 is: 355,085.95
Step by Step Solution
- Step 1: Write the proportion equation
475,101.08 : 655,638.39 = 257,309.09 : x - Step 2: Convert to fraction form
475,101.08/655,638.39 = 257,309.09/x - Step 3: Cross multiply
475,101.08x = 655,638.39 × 257,309.09 - Step 4: Simplify right side
475,101.08x = 168,701,714,221.77 - Step 5: Solve for x
x = 168,701,714,221.77/475,101.08 - Step 6: Final answer
x = 355,085.95
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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.