Finding the Fourth Proportional to 283,279.36, 424,919.08 and 93,688.84
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Solution
The fourth proportional to 283,279.36, 424,919.08 and 93,688.84 is: 140,533.27
Step by Step Solution
- Step 1: Write the proportion equation
283,279.36 : 424,919.08 = 93,688.84 : x - Step 2: Convert to fraction form
283,279.36/424,919.08 = 93,688.84/x - Step 3: Cross multiply
283,279.36x = 424,919.08 × 93,688.84 - Step 4: Simplify right side
283,279.36x = 39,810,175,699.07 - Step 5: Solve for x
x = 39,810,175,699.07/283,279.36 - Step 6: Final answer
x = 140,533.27
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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.