Finding the Fourth Proportional to 253,888.65, 350,403.64 and 146,437.70
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Solution
The fourth proportional to 253,888.65, 350,403.64 and 146,437.70 is: 202,105.53
Step by Step Solution
- Step 1: Write the proportion equation
253,888.65 : 350,403.64 = 146,437.70 : x - Step 2: Convert to fraction form
253,888.65/350,403.64 = 146,437.70/x - Step 3: Cross multiply
253,888.65x = 350,403.64 × 146,437.70 - Step 4: Simplify right side
253,888.65x = 51,312,300,995.12 - Step 5: Solve for x
x = 51,312,300,995.12/253,888.65 - Step 6: Final answer
x = 202,105.53
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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.