Finding the Fourth Proportional to 516,363.99, 774,278.65 and 231,809.55
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Solution
The fourth proportional to 516,363.99, 774,278.65 and 231,809.55 is: 347,594.31
Step by Step Solution
- Step 1: Write the proportion equation
516,363.99 : 774,278.65 = 231,809.55 : x - Step 2: Convert to fraction form
516,363.99/774,278.65 = 231,809.55/x - Step 3: Cross multiply
516,363.99x = 774,278.65 × 231,809.55 - Step 4: Simplify right side
516,363.99x = 179,485,184,272.06 - Step 5: Solve for x
x = 179,485,184,272.06/516,363.99 - Step 6: Final answer
x = 347,594.31
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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.