Finding the Fourth Proportional to 372,239.82, 513,675.41 and 219,284.28
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Solution
The fourth proportional to 372,239.82, 513,675.41 and 219,284.28 is: 302,603.15
Step by Step Solution
- Step 1: Write the proportion equation
372,239.82 : 513,675.41 = 219,284.28 : x - Step 2: Convert to fraction form
372,239.82/513,675.41 = 219,284.28/x - Step 3: Cross multiply
372,239.82x = 513,675.41 × 219,284.28 - Step 4: Simplify right side
372,239.82x = 112,640,941,339.13 - Step 5: Solve for x
x = 112,640,941,339.13/372,239.82 - Step 6: Final answer
x = 302,603.15
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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.