Finding the Fourth Proportional to 531,998.24, 798,291.12 and 216,677.12
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Solution
The fourth proportional to 531,998.24, 798,291.12 and 216,677.12 is: 325,135.33
Step by Step Solution
- Step 1: Write the proportion equation
531,998.24 : 798,291.12 = 216,677.12 : x - Step 2: Convert to fraction form
531,998.24/798,291.12 = 216,677.12/x - Step 3: Cross multiply
531,998.24x = 798,291.12 × 216,677.12 - Step 4: Simplify right side
531,998.24x = 172,971,420,803.17 - Step 5: Solve for x
x = 172,971,420,803.17/531,998.24 - Step 6: Final answer
x = 325,135.33
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1.5x scale
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.