Finding the Fourth Proportional to 492,775.11, 680,030.66 and 266,420.61
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Solution
The fourth proportional to 492,775.11, 680,030.66 and 266,420.61 is: 367,660.99
Step by Step Solution
- Step 1: Write the proportion equation
492,775.11 : 680,030.66 = 266,420.61 : x - Step 2: Convert to fraction form
492,775.11/680,030.66 = 266,420.61/x - Step 3: Cross multiply
492,775.11x = 680,030.66 × 266,420.61 - Step 4: Simplify right side
492,775.11x = 181,174,183,921.95 - Step 5: Solve for x
x = 181,174,183,921.95/492,775.11 - Step 6: Final answer
x = 367,660.99
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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.