Finding the Fourth Proportional to 475,220.88, 655,804.80 and 260,369.08
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Solution
The fourth proportional to 475,220.88, 655,804.80 and 260,369.08 is: 359,309.32
Step by Step Solution
- Step 1: Write the proportion equation
475,220.88 : 655,804.80 = 260,369.08 : x - Step 2: Convert to fraction form
475,220.88/655,804.80 = 260,369.08/x - Step 3: Cross multiply
475,220.88x = 655,804.80 × 260,369.08 - Step 4: Simplify right side
475,220.88x = 170,751,292,435.58 - Step 5: Solve for x
x = 170,751,292,435.58/475,220.88 - Step 6: Final answer
x = 359,309.32
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1.5x scale
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.