Finding the Fourth Proportional to 210,877.10, 316,315.65 and 201,776.30
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Solution
The fourth proportional to 210,877.10, 316,315.65 and 201,776.30 is: 302,664.45
Step by Step Solution
- Step 1: Write the proportion equation
210,877.10 : 316,315.65 = 201,776.30 : x - Step 2: Convert to fraction form
210,877.10/316,315.65 = 201,776.30/x - Step 3: Cross multiply
210,877.10x = 316,315.65 × 201,776.30 - Step 4: Simplify right side
210,877.10x = 63,825,001,489.10 - Step 5: Solve for x
x = 63,825,001,489.10/210,877.10 - Step 6: Final answer
x = 302,664.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.