Finding the Fourth Proportional to 555,318.12, 832,977.21 and 134,593.98
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Solution
The fourth proportional to 555,318.12, 832,977.21 and 134,593.98 is: 201,890.98
Step by Step Solution
- Step 1: Write the proportion equation
555,318.12 : 832,977.21 = 134,593.98 : x - Step 2: Convert to fraction form
555,318.12/832,977.21 = 134,593.98/x - Step 3: Cross multiply
555,318.12x = 832,977.21 × 134,593.98 - Step 4: Simplify right side
555,318.12x = 112,113,717,943.20 - Step 5: Solve for x
x = 112,113,717,943.20/555,318.12 - Step 6: Final answer
x = 201,890.98
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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.