Finding the Fourth Proportional to 439,671.60, 659,045.70 and 279,869.94
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Solution
The fourth proportional to 439,671.60, 659,045.70 and 279,869.94 is: 419,511.02
Step by Step Solution
- Step 1: Write the proportion equation
439,671.60 : 659,045.70 = 279,869.94 : x - Step 2: Convert to fraction form
439,671.60/659,045.70 = 279,869.94/x - Step 3: Cross multiply
439,671.60x = 659,045.70 × 279,869.94 - Step 4: Simplify right side
439,671.60x = 184,447,080,516.26 - Step 5: Solve for x
x = 184,447,080,516.26/439,671.60 - Step 6: Final answer
x = 419,511.02
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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.