Finding the Fourth Proportional to 838,570.95, 1,257,867.36 and 239,551.65
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Solution
The fourth proportional to 838,570.95, 1,257,867.36 and 239,551.65 is: 359,330.60
Step by Step Solution
- Step 1: Write the proportion equation
838,570.95 : 1,257,867.36 = 239,551.65 : x - Step 2: Convert to fraction form
838,570.95/1,257,867.36 = 239,551.65/x - Step 3: Cross multiply
838,570.95x = 1,257,867.36 × 239,551.65 - Step 4: Simplify right side
838,570.95x = 301,324,201,569.14 - Step 5: Solve for x
x = 301,324,201,569.14/838,570.95 - Step 6: Final answer
x = 359,330.60
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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.