Finding the Fourth Proportional to 225,246.13, 310,839.60 and 123,271.63
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Solution
The fourth proportional to 225,246.13, 310,839.60 and 123,271.63 is: 170,114.82
Step by Step Solution
- Step 1: Write the proportion equation
225,246.13 : 310,839.60 = 123,271.63 : x - Step 2: Convert to fraction form
225,246.13/310,839.60 = 123,271.63/x - Step 3: Cross multiply
225,246.13x = 310,839.60 × 123,271.63 - Step 4: Simplify right side
225,246.13x = 38,317,704,160.55 - Step 5: Solve for x
x = 38,317,704,160.55/225,246.13 - Step 6: Final answer
x = 170,114.82
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1.5x scale
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.