Finding the Fourth Proportional to 461,615.76, 692,316.72 and 146,013.84
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Solution
The fourth proportional to 461,615.76, 692,316.72 and 146,013.84 is: 218,986.94
Step by Step Solution
- Step 1: Write the proportion equation
461,615.76 : 692,316.72 = 146,013.84 : x - Step 2: Convert to fraction form
461,615.76/692,316.72 = 146,013.84/x - Step 3: Cross multiply
461,615.76x = 692,316.72 × 146,013.84 - Step 4: Simplify right side
461,615.76x = 101,087,822,783.41 - Step 5: Solve for x
x = 101,087,822,783.41/461,615.76 - Step 6: Final answer
x = 218,986.94
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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.