Finding the Fourth Proportional to 516,542.34, 774,830.99 and 137,463.44
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Solution
The fourth proportional to 516,542.34, 774,830.99 and 137,463.44 is: 206,199.81
Step by Step Solution
- Step 1: Write the proportion equation
516,542.34 : 774,830.99 = 137,463.44 : x - Step 2: Convert to fraction form
516,542.34/774,830.99 = 137,463.44/x - Step 3: Cross multiply
516,542.34x = 774,830.99 × 137,463.44 - Step 4: Simplify right side
516,542.34x = 106,510,933,304.01 - Step 5: Solve for x
x = 106,510,933,304.01/516,542.34 - Step 6: Final answer
x = 206,199.81
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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.