Finding the Fourth Proportional to 606,654.81, 909,982.11 and 207,299.01
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Solution
The fourth proportional to 606,654.81, 909,982.11 and 207,299.01 is: 310,948.48
Step by Step Solution
- Step 1: Write the proportion equation
606,654.81 : 909,982.11 = 207,299.01 : x - Step 2: Convert to fraction form
606,654.81/909,982.11 = 207,299.01/x - Step 3: Cross multiply
606,654.81x = 909,982.11 × 207,299.01 - Step 4: Simplify right side
606,654.81x = 188,638,390,520.71 - Step 5: Solve for x
x = 188,638,390,520.71/606,654.81 - Step 6: Final answer
x = 310,948.48
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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.