Finding the Fourth Proportional to 199,303.68, 275,030.97 and 108,657.84
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Solution
The fourth proportional to 199,303.68, 275,030.97 and 108,657.84 is: 149,943.40
Step by Step Solution
- Step 1: Write the proportion equation
199,303.68 : 275,030.97 = 108,657.84 : x - Step 2: Convert to fraction form
199,303.68/275,030.97 = 108,657.84/x - Step 3: Cross multiply
199,303.68x = 275,030.97 × 108,657.84 - Step 4: Simplify right side
199,303.68x = 29,884,271,133.30 - Step 5: Solve for x
x = 29,884,271,133.30/199,303.68 - Step 6: Final answer
x = 149,943.40
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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.