Finding the Fourth Proportional to 539,976.06, 745,147.62 and 298,246.14
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Solution
The fourth proportional to 539,976.06, 745,147.62 and 298,246.14 is: 411,568.99
Step by Step Solution
- Step 1: Write the proportion equation
539,976.06 : 745,147.62 = 298,246.14 : x - Step 2: Convert to fraction form
539,976.06/745,147.62 = 298,246.14/x - Step 3: Cross multiply
539,976.06x = 745,147.62 × 298,246.14 - Step 4: Simplify right side
539,976.06x = 222,237,401,395.19 - Step 5: Solve for x
x = 222,237,401,395.19/539,976.06 - Step 6: Final answer
x = 411,568.99
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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.