Finding the Fourth Proportional to 370,427.99, 511,189.52 and 209,282.98
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Solution
The fourth proportional to 370,427.99, 511,189.52 and 209,282.98 is: 288,809.89
Step by Step Solution
- Step 1: Write the proportion equation
370,427.99 : 511,189.52 = 209,282.98 : x - Step 2: Convert to fraction form
370,427.99/511,189.52 = 209,282.98/x - Step 3: Cross multiply
370,427.99x = 511,189.52 × 209,282.98 - Step 4: Simplify right side
370,427.99x = 106,983,266,090.37 - Step 5: Solve for x
x = 106,983,266,090.37/370,427.99 - Step 6: Final answer
x = 288,809.89
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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.