Finding the Fourth Proportional to 396,177.04, 594,207.16 and 129,965.68
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Solution
The fourth proportional to 396,177.04, 594,207.16 and 129,965.68 is: 194,929.36
Step by Step Solution
- Step 1: Write the proportion equation
396,177.04 : 594,207.16 = 129,965.68 : x - Step 2: Convert to fraction form
396,177.04/594,207.16 = 129,965.68/x - Step 3: Cross multiply
396,177.04x = 594,207.16 × 129,965.68 - Step 4: Simplify right side
396,177.04x = 77,226,537,610.27 - Step 5: Solve for x
x = 77,226,537,610.27/396,177.04 - Step 6: Final answer
x = 194,929.36
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1.5x scale
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.