Finding the Fourth Proportional to 838,209.05, 1,257,360.03 and 239,124.14
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Solution
The fourth proportional to 838,209.05, 1,257,360.03 and 239,124.14 is: 358,699.46
Step by Step Solution
- Step 1: Write the proportion equation
838,209.05 : 1,257,360.03 = 239,124.14 : x - Step 2: Convert to fraction form
838,209.05/1,257,360.03 = 239,124.14/x - Step 3: Cross multiply
838,209.05x = 1,257,360.03 × 239,124.14 - Step 4: Simplify right side
838,209.05x = 300,665,135,844.12 - Step 5: Solve for x
x = 300,665,135,844.12/838,209.05 - Step 6: Final answer
x = 358,699.46
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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.