Finding the Fourth Proportional to 540,092.12, 745,370.70 and 298,395.80
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Solution
The fourth proportional to 540,092.12, 745,370.70 and 298,395.80 is: 411,810.28
Step by Step Solution
- Step 1: Write the proportion equation
540,092.12 : 745,370.70 = 298,395.80 : x - Step 2: Convert to fraction form
540,092.12/745,370.70 = 298,395.80/x - Step 3: Cross multiply
540,092.12x = 745,370.70 × 298,395.80 - Step 4: Simplify right side
540,092.12x = 222,415,486,323.06 - Step 5: Solve for x
x = 222,415,486,323.06/540,092.12 - Step 6: Final answer
x = 411,810.28
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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.