Finding the Fourth Proportional to 447,885.63, 618,082.17 and 246,681.63
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Solution
The fourth proportional to 447,885.63, 618,082.17 and 246,681.63 is: 340,420.65
Step by Step Solution
- Step 1: Write the proportion equation
447,885.63 : 618,082.17 = 246,681.63 : x - Step 2: Convert to fraction form
447,885.63/618,082.17 = 246,681.63/x - Step 3: Cross multiply
447,885.63x = 618,082.17 × 246,681.63 - Step 4: Simplify right side
447,885.63x = 152,469,517,169.54 - Step 5: Solve for x
x = 152,469,517,169.54/447,885.63 - Step 6: Final answer
x = 340,420.65
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1.5x scale
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.