Finding the Fourth Proportional to 225,185.94, 310,720.05 and 124,564.50
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Solution
The fourth proportional to 225,185.94, 310,720.05 and 124,564.50 is: 171,878.79
Step by Step Solution
- Step 1: Write the proportion equation
225,185.94 : 310,720.05 = 124,564.50 : x - Step 2: Convert to fraction form
225,185.94/310,720.05 = 124,564.50/x - Step 3: Cross multiply
225,185.94x = 310,720.05 × 124,564.50 - Step 4: Simplify right side
225,185.94x = 38,704,687,668.23 - Step 5: Solve for x
x = 38,704,687,668.23/225,185.94 - Step 6: Final answer
x = 171,878.79
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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.