Finding the Fourth Proportional to 472,160.66, 651,562.74 and 257,296.13
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Solution
The fourth proportional to 472,160.66, 651,562.74 and 257,296.13 is: 355,058.32
Step by Step Solution
- Step 1: Write the proportion equation
472,160.66 : 651,562.74 = 257,296.13 : x - Step 2: Convert to fraction form
472,160.66/651,562.74 = 257,296.13/x - Step 3: Cross multiply
472,160.66x = 651,562.74 × 257,296.13 - Step 4: Simplify right side
472,160.66x = 167,644,571,454.20 - Step 5: Solve for x
x = 167,644,571,454.20/472,160.66 - Step 6: Final answer
x = 355,058.32
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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.