Finding the Fourth Proportional to 511,041.68, 766,609.86 and 173,969.06
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Solution
The fourth proportional to 511,041.68, 766,609.86 and 173,969.06 is: 260,969.71
Step by Step Solution
- Step 1: Write the proportion equation
511,041.68 : 766,609.86 = 173,969.06 : x - Step 2: Convert to fraction form
511,041.68/766,609.86 = 173,969.06/x - Step 3: Cross multiply
511,041.68x = 766,609.86 × 173,969.06 - Step 4: Simplify right side
511,041.68x = 133,366,396,730.93 - Step 5: Solve for x
x = 133,366,396,730.93/511,041.68 - Step 6: Final answer
x = 260,969.71
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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.