Finding the Fourth Proportional to 225,308.28, 310,751.82 and 157,302.84
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Solution
The fourth proportional to 225,308.28, 310,751.82 and 157,302.84 is: 216,956.71
Step by Step Solution
- Step 1: Write the proportion equation
225,308.28 : 310,751.82 = 157,302.84 : x - Step 2: Convert to fraction form
225,308.28/310,751.82 = 157,302.84/x - Step 3: Cross multiply
225,308.28x = 310,751.82 × 157,302.84 - Step 4: Simplify right side
225,308.28x = 48,882,143,821.17 - Step 5: Solve for x
x = 48,882,143,821.17/225,308.28 - Step 6: Final answer
x = 216,956.71
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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.