Finding the Fourth Proportional to 930,164.10, 1,395,246.15 and 299,141.70
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Solution
The fourth proportional to 930,164.10, 1,395,246.15 and 299,141.70 is: 448,712.55
Step by Step Solution
- Step 1: Write the proportion equation
930,164.10 : 1,395,246.15 = 299,141.70 : x - Step 2: Convert to fraction form
930,164.10/1,395,246.15 = 299,141.70/x - Step 3: Cross multiply
930,164.10x = 1,395,246.15 × 299,141.70 - Step 4: Simplify right side
930,164.10x = 417,376,305,229.46 - Step 5: Solve for x
x = 417,376,305,229.46/930,164.10 - Step 6: Final answer
x = 448,712.55
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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.