Finding the Fourth Proportional to 492,908.63, 739,363.01 and 118,931.63
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Solution
The fourth proportional to 492,908.63, 739,363.01 and 118,931.63 is: 178,397.45
Step by Step Solution
- Step 1: Write the proportion equation
492,908.63 : 739,363.01 = 118,931.63 : x - Step 2: Convert to fraction form
492,908.63/739,363.01 = 118,931.63/x - Step 3: Cross multiply
492,908.63x = 739,363.01 × 118,931.63 - Step 4: Simplify right side
492,908.63x = 87,933,643,649.53 - Step 5: Solve for x
x = 87,933,643,649.53/492,908.63 - Step 6: Final answer
x = 178,397.45
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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.