Finding the Fourth Proportional to 919,053.08, 1,378,645.14 and 245,130.56
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Solution
The fourth proportional to 919,053.08, 1,378,645.14 and 245,130.56 is: 367,713.32
Step by Step Solution
- Step 1: Write the proportion equation
919,053.08 : 1,378,645.14 = 245,130.56 : x - Step 2: Convert to fraction form
919,053.08/1,378,645.14 = 245,130.56/x - Step 3: Cross multiply
919,053.08x = 1,378,645.14 × 245,130.56 - Step 4: Simplify right side
919,053.08x = 337,948,055,209.48 - Step 5: Solve for x
x = 337,948,055,209.48/919,053.08 - Step 6: Final answer
x = 367,713.32
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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.