Finding the Fourth Proportional to 539,986.49, 745,176.67 and 298,285.93
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Solution
The fourth proportional to 539,986.49, 745,176.67 and 298,285.93 is: 411,631.99
Step by Step Solution
- Step 1: Write the proportion equation
539,986.49 : 745,176.67 = 298,285.93 : x - Step 2: Convert to fraction form
539,986.49/745,176.67 = 298,285.93/x - Step 3: Cross multiply
539,986.49x = 745,176.67 × 298,285.93 - Step 4: Simplify right side
539,986.49x = 222,275,716,025.25 - Step 5: Solve for x
x = 222,275,716,025.25/539,986.49 - Step 6: Final answer
x = 411,631.99
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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.