Finding the Fourth Proportional to 444,449.28, 612,701.28 and 316,903.68
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Solution
The fourth proportional to 444,449.28, 612,701.28 and 316,903.68 is: 436,871.65
Step by Step Solution
- Step 1: Write the proportion equation
444,449.28 : 612,701.28 = 316,903.68 : x - Step 2: Convert to fraction form
444,449.28/612,701.28 = 316,903.68/x - Step 3: Cross multiply
444,449.28x = 612,701.28 × 316,903.68 - Step 4: Simplify right side
444,449.28x = 194,167,290,372.71 - Step 5: Solve for x
x = 194,167,290,372.71/444,449.28 - Step 6: Final answer
x = 436,871.65
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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.