Finding the Fourth Proportional to 472,961.69, 651,578.14 and 329,462.09
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Solution
The fourth proportional to 472,961.69, 651,578.14 and 329,462.09 is: 453,885.17
Step by Step Solution
- Step 1: Write the proportion equation
472,961.69 : 651,578.14 = 329,462.09 : x - Step 2: Convert to fraction form
472,961.69/651,578.14 = 329,462.09/x - Step 3: Cross multiply
472,961.69x = 651,578.14 × 329,462.09 - Step 4: Simplify right side
472,961.69x = 214,670,295,802.71 - Step 5: Solve for x
x = 214,670,295,802.71/472,961.69 - Step 6: Final answer
x = 453,885.17
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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.