Finding the Fourth Proportional to 340,299.20, 469,614.84 and 187,352.84
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Solution
The fourth proportional to 340,299.20, 469,614.84 and 187,352.84 is: 258,547.99
Step by Step Solution
- Step 1: Write the proportion equation
340,299.20 : 469,614.84 = 187,352.84 : x - Step 2: Convert to fraction form
340,299.20/469,614.84 = 187,352.84/x - Step 3: Cross multiply
340,299.20x = 469,614.84 × 187,352.84 - Step 4: Simplify right side
340,299.20x = 87,983,673,980.15 - Step 5: Solve for x
x = 87,983,673,980.15/340,299.20 - Step 6: Final answer
x = 258,547.99
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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.