Finding the Fourth Proportional to 423,582.80, 634,337.40 and 201,707.60
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Solution
The fourth proportional to 423,582.80, 634,337.40 and 201,707.60 is: 302,067.68
Step by Step Solution
- Step 1: Write the proportion equation
423,582.80 : 634,337.40 = 201,707.60 : x - Step 2: Convert to fraction form
423,582.80/634,337.40 = 201,707.60/x - Step 3: Cross multiply
423,582.80x = 634,337.40 × 201,707.60 - Step 4: Simplify right side
423,582.80x = 127,950,674,544.24 - Step 5: Solve for x
x = 127,950,674,544.24/423,582.80 - Step 6: Final answer
x = 302,067.68
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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.