Finding the Fourth Proportional to 472,036.61, 651,418.00 and 257,176.62
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Solution
The fourth proportional to 472,036.61, 651,418.00 and 257,176.62 is: 354,907.81
Step by Step Solution
- Step 1: Write the proportion equation
472,036.61 : 651,418.00 = 257,176.62 : x - Step 2: Convert to fraction form
472,036.61/651,418.00 = 257,176.62/x - Step 3: Cross multiply
472,036.61x = 651,418.00 × 257,176.62 - Step 4: Simplify right side
472,036.61x = 167,529,478,804.22 - Step 5: Solve for x
x = 167,529,478,804.22/472,036.61 - Step 6: Final answer
x = 354,907.81
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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.