Finding the Fourth Proportional to 540,469.99, 745,848.34 and 298,752.67
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Solution
The fourth proportional to 540,469.99, 745,848.34 and 298,752.67 is: 412,278.55
Step by Step Solution
- Step 1: Write the proportion equation
540,469.99 : 745,848.34 = 298,752.67 : x - Step 2: Convert to fraction form
540,469.99/745,848.34 = 298,752.67/x - Step 3: Cross multiply
540,469.99x = 745,848.34 × 298,752.67 - Step 4: Simplify right side
540,469.99x = 222,824,182,990.07 - Step 5: Solve for x
x = 222,824,182,990.07/540,469.99 - Step 6: Final answer
x = 412,278.55
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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.