Finding the Fourth Proportional to 424,996.81, 637,564.40 and 125,507.68
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Solution
The fourth proportional to 424,996.81, 637,564.40 and 125,507.68 is: 188,281.95
Step by Step Solution
- Step 1: Write the proportion equation
424,996.81 : 637,564.40 = 125,507.68 : x - Step 2: Convert to fraction form
424,996.81/637,564.40 = 125,507.68/x - Step 3: Cross multiply
424,996.81x = 637,564.40 × 125,507.68 - Step 4: Simplify right side
424,996.81x = 80,019,228,694.59 - Step 5: Solve for x
x = 80,019,228,694.59/424,996.81 - Step 6: Final answer
x = 188,281.95
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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.