Finding the Fourth Proportional to 808,291.13, 1,212,642.63 and 239,693.00
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Solution
The fourth proportional to 808,291.13, 1,212,642.63 and 239,693.00 is: 359,600.56
Step by Step Solution
- Step 1: Write the proportion equation
808,291.13 : 1,212,642.63 = 239,693.00 : x - Step 2: Convert to fraction form
808,291.13/1,212,642.63 = 239,693.00/x - Step 3: Cross multiply
808,291.13x = 1,212,642.63 × 239,693.00 - Step 4: Simplify right side
808,291.13x = 290,661,943,849.38 - Step 5: Solve for x
x = 290,661,943,849.38/808,291.13 - Step 6: Final answer
x = 359,600.56
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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.