Finding the Fourth Proportional to 422,650.06, 583,316.89 and 261,556.99
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Solution
The fourth proportional to 422,650.06, 583,316.89 and 261,556.99 is: 360,985.66
Step by Step Solution
- Step 1: Write the proportion equation
422,650.06 : 583,316.89 = 261,556.99 : x - Step 2: Convert to fraction form
422,650.06/583,316.89 = 261,556.99/x - Step 3: Cross multiply
422,650.06x = 583,316.89 × 261,556.99 - Step 4: Simplify right side
422,650.06x = 152,570,607,852.38 - Step 5: Solve for x
x = 152,570,607,852.38/422,650.06 - Step 6: Final answer
x = 360,985.66
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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.