Finding the Fourth Proportional to 380,260.29, 524,605.80 and 219,029.19
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Solution
The fourth proportional to 380,260.29, 524,605.80 and 219,029.19 is: 302,171.92
Step by Step Solution
- Step 1: Write the proportion equation
380,260.29 : 524,605.80 = 219,029.19 : x - Step 2: Convert to fraction form
380,260.29/524,605.80 = 219,029.19/x - Step 3: Cross multiply
380,260.29x = 524,605.80 × 219,029.19 - Step 4: Simplify right side
380,260.29x = 114,903,983,443.30 - Step 5: Solve for x
x = 114,903,983,443.30/380,260.29 - Step 6: Final answer
x = 302,171.92
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1.5x scale
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.