Finding the Fourth Proportional to 472,149.36, 651,557.52 and 257,291.28
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Solution
The fourth proportional to 472,149.36, 651,557.52 and 257,291.28 is: 355,057.28
Step by Step Solution
- Step 1: Write the proportion equation
472,149.36 : 651,557.52 = 257,291.28 : x - Step 2: Convert to fraction form
472,149.36/651,557.52 = 257,291.28/x - Step 3: Cross multiply
472,149.36x = 651,557.52 × 257,291.28 - Step 4: Simplify right side
472,149.36x = 167,640,068,314.43 - Step 5: Solve for x
x = 167,640,068,314.43/472,149.36 - Step 6: Final answer
x = 355,057.28
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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.