Finding the Fourth Proportional to 340,303.20, 469,620.36 and 187,356.84
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Solution
The fourth proportional to 340,303.20, 469,620.36 and 187,356.84 is: 258,553.51
Step by Step Solution
- Step 1: Write the proportion equation
340,303.20 : 469,620.36 = 187,356.84 : x - Step 2: Convert to fraction form
340,303.20/469,620.36 = 187,356.84/x - Step 3: Cross multiply
340,303.20x = 469,620.36 × 187,356.84 - Step 4: Simplify right side
340,303.20x = 87,986,586,649.26 - Step 5: Solve for x
x = 87,986,586,649.26/340,303.20 - Step 6: Final answer
x = 258,553.51
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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.