Finding the Fourth Proportional to 613,698.12, 920,646.41 and 181,459.44
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Solution
The fourth proportional to 613,698.12, 920,646.41 and 181,459.44 is: 272,218.50
Step by Step Solution
- Step 1: Write the proportion equation
613,698.12 : 920,646.41 = 181,459.44 : x - Step 2: Convert to fraction form
613,698.12/920,646.41 = 181,459.44/x - Step 3: Cross multiply
613,698.12x = 920,646.41 × 181,459.44 - Step 4: Simplify right side
613,698.12x = 167,059,981,089.31 - Step 5: Solve for x
x = 167,059,981,089.31/613,698.12 - Step 6: Final answer
x = 272,218.50
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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.