Finding the Fourth Proportional to 559,134.36, 837,439.74 and 258,984.45
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Solution
The fourth proportional to 559,134.36, 837,439.74 and 258,984.45 is: 387,892.22
Step by Step Solution
- Step 1: Write the proportion equation
559,134.36 : 837,439.74 = 258,984.45 : x - Step 2: Convert to fraction form
559,134.36/837,439.74 = 258,984.45/x - Step 3: Cross multiply
559,134.36x = 837,439.74 × 258,984.45 - Step 4: Simplify right side
559,134.36x = 216,883,870,472.04 - Step 5: Solve for x
x = 216,883,870,472.04/559,134.36 - Step 6: Final answer
x = 387,892.22
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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.