Finding the Fourth Proportional to 475,742.26, 713,646.24 and 138,777.58
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Solution
The fourth proportional to 475,742.26, 713,646.24 and 138,777.58 is: 208,175.95
Step by Step Solution
- Step 1: Write the proportion equation
475,742.26 : 713,646.24 = 138,777.58 : x - Step 2: Convert to fraction form
475,742.26/713,646.24 = 138,777.58/x - Step 3: Cross multiply
475,742.26x = 713,646.24 × 138,777.58 - Step 4: Simplify right side
475,742.26x = 99,038,098,163.30 - Step 5: Solve for x
x = 99,038,098,163.30/475,742.26 - Step 6: Final answer
x = 208,175.95
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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.