Finding the Fourth Proportional to 310,709.18, 465,740.58 and 210,877.49
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Solution
The fourth proportional to 310,709.18, 465,740.58 and 210,877.49 is: 316,096.89
Step by Step Solution
- Step 1: Write the proportion equation
310,709.18 : 465,740.58 = 210,877.49 : x - Step 2: Convert to fraction form
310,709.18/465,740.58 = 210,877.49/x - Step 3: Cross multiply
310,709.18x = 465,740.58 × 210,877.49 - Step 4: Simplify right side
310,709.18x = 98,214,204,501.54 - Step 5: Solve for x
x = 98,214,204,501.54/310,709.18 - Step 6: Final answer
x = 316,096.89
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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.