Finding the Fourth Proportional to 349,821.07, 522,003.33 and 312,122.05
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Solution
The fourth proportional to 349,821.07, 522,003.33 and 312,122.05 is: 465,748.82
Step by Step Solution
- Step 1: Write the proportion equation
349,821.07 : 522,003.33 = 312,122.05 : x - Step 2: Convert to fraction form
349,821.07/522,003.33 = 312,122.05/x - Step 3: Cross multiply
349,821.07x = 522,003.33 × 312,122.05 - Step 4: Simplify right side
349,821.07x = 162,928,749,466.43 - Step 5: Solve for x
x = 162,928,749,466.43/349,821.07 - Step 6: Final answer
x = 465,748.82
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.