Finding the Fourth Proportional to 368,998.02, 508,983.21 and 232,794.09
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Solution
The fourth proportional to 368,998.02, 508,983.21 and 232,794.09 is: 321,108.18
Step by Step Solution
- Step 1: Write the proportion equation
368,998.02 : 508,983.21 = 232,794.09 : x - Step 2: Convert to fraction form
368,998.02/508,983.21 = 232,794.09/x - Step 3: Cross multiply
368,998.02x = 508,983.21 × 232,794.09 - Step 4: Simplify right side
368,998.02x = 118,488,283,197.23 - Step 5: Solve for x
x = 118,488,283,197.23/368,998.02 - Step 6: Final answer
x = 321,108.18
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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.