Finding the Fourth Proportional to 225,074.24, 310,593.12 and 129,590.72
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Solution
The fourth proportional to 225,074.24, 310,593.12 and 129,590.72 is: 178,829.82
Step by Step Solution
- Step 1: Write the proportion equation
225,074.24 : 310,593.12 = 129,590.72 : x - Step 2: Convert to fraction form
225,074.24/310,593.12 = 129,590.72/x - Step 3: Cross multiply
225,074.24x = 310,593.12 × 129,590.72 - Step 4: Simplify right side
225,074.24x = 40,249,986,047.85 - Step 5: Solve for x
x = 40,249,986,047.85/225,074.24 - Step 6: Final answer
x = 178,829.82
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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.