Finding the Fourth Proportional to 368,647.19, 508,611.47 and 300,547.09
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Solution
The fourth proportional to 368,647.19, 508,611.47 and 300,547.09 is: 414,655.79
Step by Step Solution
- Step 1: Write the proportion equation
368,647.19 : 508,611.47 = 300,547.09 : x - Step 2: Convert to fraction form
368,647.19/508,611.47 = 300,547.09/x - Step 3: Cross multiply
368,647.19x = 508,611.47 × 300,547.09 - Step 4: Simplify right side
368,647.19x = 152,861,693,203.33 - Step 5: Solve for x
x = 152,861,693,203.33/368,647.19 - Step 6: Final answer
x = 414,655.79
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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.