Finding the Fourth Proportional to 369,478.13, 554,424.68 and 201,010.21
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Solution
The fourth proportional to 369,478.13, 554,424.68 and 201,010.21 is: 301,628.20
Step by Step Solution
- Step 1: Write the proportion equation
369,478.13 : 554,424.68 = 201,010.21 : x - Step 2: Convert to fraction form
369,478.13/554,424.68 = 201,010.21/x - Step 3: Cross multiply
369,478.13x = 554,424.68 × 201,010.21 - Step 4: Simplify right side
369,478.13x = 111,445,020,472.45 - Step 5: Solve for x
x = 111,445,020,472.45/369,478.13 - Step 6: Final answer
x = 301,628.20
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1.5x scale
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.