Finding the Fourth Proportional to 469,782.48, 704,781.36 and 203,587.68
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Solution
The fourth proportional to 469,782.48, 704,781.36 and 203,587.68 is: 305,428.17
Step by Step Solution
- Step 1: Write the proportion equation
469,782.48 : 704,781.36 = 203,587.68 : x - Step 2: Convert to fraction form
469,782.48/704,781.36 = 203,587.68/x - Step 3: Cross multiply
469,782.48x = 704,781.36 × 203,587.68 - Step 4: Simplify right side
469,782.48x = 143,484,801,989.65 - Step 5: Solve for x
x = 143,484,801,989.65/469,782.48 - Step 6: Final answer
x = 305,428.17
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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.