Finding the Fourth Proportional to 427,986.18, 590,624.87 and 258,187.50
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Solution
The fourth proportional to 427,986.18, 590,624.87 and 258,187.50 is: 356,301.12
Step by Step Solution
- Step 1: Write the proportion equation
427,986.18 : 590,624.87 = 258,187.50 : x - Step 2: Convert to fraction form
427,986.18/590,624.87 = 258,187.50/x - Step 3: Cross multiply
427,986.18x = 590,624.87 × 258,187.50 - Step 4: Simplify right side
427,986.18x = 152,491,957,332.19 - Step 5: Solve for x
x = 152,491,957,332.19/427,986.18 - Step 6: Final answer
x = 356,301.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.