Finding the Fourth Proportional to 306,037.70, 459,056.55 and 106,291.70
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Solution
The fourth proportional to 306,037.70, 459,056.55 and 106,291.70 is: 159,437.55
Step by Step Solution
- Step 1: Write the proportion equation
306,037.70 : 459,056.55 = 106,291.70 : x - Step 2: Convert to fraction form
306,037.70/459,056.55 = 106,291.70/x - Step 3: Cross multiply
306,037.70x = 459,056.55 × 106,291.70 - Step 4: Simplify right side
306,037.70x = 48,793,901,095.64 - Step 5: Solve for x
x = 48,793,901,095.64/306,037.70 - Step 6: Final answer
x = 159,437.55
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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.