Finding the Fourth Proportional to 239,177.48, 358,101.84 and 120,488.96
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Solution
The fourth proportional to 239,177.48, 358,101.84 and 120,488.96 is: 180,398.75
Step by Step Solution
- Step 1: Write the proportion equation
239,177.48 : 358,101.84 = 120,488.96 : x - Step 2: Convert to fraction form
239,177.48/358,101.84 = 120,488.96/x - Step 3: Cross multiply
239,177.48x = 358,101.84 × 120,488.96 - Step 4: Simplify right side
239,177.48x = 43,147,318,275.69 - Step 5: Solve for x
x = 43,147,318,275.69/239,177.48 - Step 6: Final answer
x = 180,398.75
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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.