Finding the Fourth Proportional to 474,785.10, 712,178.93 and 119,799.09
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Solution
The fourth proportional to 474,785.10, 712,178.93 and 119,799.09 is: 179,698.96
Step by Step Solution
- Step 1: Write the proportion equation
474,785.10 : 712,178.93 = 119,799.09 : x - Step 2: Convert to fraction form
474,785.10/712,178.93 = 119,799.09/x - Step 3: Cross multiply
474,785.10x = 712,178.93 × 119,799.09 - Step 4: Simplify right side
474,785.10x = 85,318,387,731.17 - Step 5: Solve for x
x = 85,318,387,731.17/474,785.10 - Step 6: Final answer
x = 179,698.96
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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.