Finding the Fourth Proportional to 833,246.93, 1,249,935.20 and 272,338.13
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Solution
The fourth proportional to 833,246.93, 1,249,935.20 and 272,338.13 is: 408,528.38
Step by Step Solution
- Step 1: Write the proportion equation
833,246.93 : 1,249,935.20 = 272,338.13 : x - Step 2: Convert to fraction form
833,246.93/1,249,935.20 = 272,338.13/x - Step 3: Cross multiply
833,246.93x = 1,249,935.20 × 272,338.13 - Step 4: Simplify right side
833,246.93x = 340,405,014,989.18 - Step 5: Solve for x
x = 340,405,014,989.18/833,246.93 - Step 6: Final answer
x = 408,528.38
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1.5x scale
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.