Finding the Fourth Proportional to 513,253.50, 769,923.27 and 189,129.84
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Solution
The fourth proportional to 513,253.50, 769,923.27 and 189,129.84 is: 283,710.61
Step by Step Solution
- Step 1: Write the proportion equation
513,253.50 : 769,923.27 = 189,129.84 : x - Step 2: Convert to fraction form
513,253.50/769,923.27 = 189,129.84/x - Step 3: Cross multiply
513,253.50x = 769,923.27 × 189,129.84 - Step 4: Simplify right side
513,253.50x = 145,615,464,867.38 - Step 5: Solve for x
x = 145,615,464,867.38/513,253.50 - Step 6: Final answer
x = 283,710.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.