Finding the Fourth Proportional to 406,782.68, 561,324.80 and 232,352.08
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Solution
The fourth proportional to 406,782.68, 561,324.80 and 232,352.08 is: 320,625.71
Step by Step Solution
- Step 1: Write the proportion equation
406,782.68 : 561,324.80 = 232,352.08 : x - Step 2: Convert to fraction form
406,782.68/561,324.80 = 232,352.08/x - Step 3: Cross multiply
406,782.68x = 561,324.80 × 232,352.08 - Step 4: Simplify right side
406,782.68x = 130,424,984,013.15 - Step 5: Solve for x
x = 130,424,984,013.15/406,782.68 - Step 6: Final answer
x = 320,625.71
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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.