Finding the Fourth Proportional to 516,187.05, 774,388.08 and 260,163.51
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Solution
The fourth proportional to 516,187.05, 774,388.08 and 260,163.51 is: 390,299.45
Step by Step Solution
- Step 1: Write the proportion equation
516,187.05 : 774,388.08 = 260,163.51 : x - Step 2: Convert to fraction form
516,187.05/774,388.08 = 260,163.51/x - Step 3: Cross multiply
516,187.05x = 774,388.08 × 260,163.51 - Step 4: Simplify right side
516,187.05x = 201,467,520,994.96 - Step 5: Solve for x
x = 201,467,520,994.96/516,187.05 - Step 6: Final answer
x = 390,299.45
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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.