Finding the Fourth Proportional to 153,794.43, 230,706.09 and 57,706.02
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Solution
The fourth proportional to 153,794.43, 230,706.09 and 57,706.02 is: 86,564.45
Step by Step Solution
- Step 1: Write the proportion equation
153,794.43 : 230,706.09 = 57,706.02 : x - Step 2: Convert to fraction form
153,794.43/230,706.09 = 57,706.02/x - Step 3: Cross multiply
153,794.43x = 230,706.09 × 57,706.02 - Step 4: Simplify right side
153,794.43x = 13,313,130,243.66 - Step 5: Solve for x
x = 13,313,130,243.66/153,794.43 - Step 6: Final answer
x = 86,564.45
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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.