Finding the Fourth Proportional to 474,784.10, 712,177.43 and 119,798.09
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Solution
The fourth proportional to 474,784.10, 712,177.43 and 119,798.09 is: 179,697.45
Step by Step Solution
- Step 1: Write the proportion equation
474,784.10 : 712,177.43 = 119,798.09 : x - Step 2: Convert to fraction form
474,784.10/712,177.43 = 119,798.09/x - Step 3: Cross multiply
474,784.10x = 712,177.43 × 119,798.09 - Step 4: Simplify right side
474,784.10x = 85,317,491,695.23 - Step 5: Solve for x
x = 85,317,491,695.23/474,784.10 - Step 6: Final answer
x = 179,697.45
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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.