Finding the Fourth Proportional to 476,478.99, 657,536.40 and 261,617.13
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Solution
The fourth proportional to 476,478.99, 657,536.40 and 261,617.13 is: 361,029.11
Step by Step Solution
- Step 1: Write the proportion equation
476,478.99 : 657,536.40 = 261,617.13 : x - Step 2: Convert to fraction form
476,478.99/657,536.40 = 261,617.13/x - Step 3: Cross multiply
476,478.99x = 657,536.40 × 261,617.13 - Step 4: Simplify right side
476,478.99x = 172,022,785,838.53 - Step 5: Solve for x
x = 172,022,785,838.53/476,478.99 - Step 6: Final answer
x = 361,029.11
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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.