Finding the Fourth Proportional to 616,295.22, 850,438.99 and 340,641.49
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Solution
The fourth proportional to 616,295.22, 850,438.99 and 340,641.49 is: 470,058.49
Step by Step Solution
- Step 1: Write the proportion equation
616,295.22 : 850,438.99 = 340,641.49 : x - Step 2: Convert to fraction form
616,295.22/850,438.99 = 340,641.49/x - Step 3: Cross multiply
616,295.22x = 850,438.99 × 340,641.49 - Step 4: Simplify right side
616,295.22x = 289,694,802,685.86 - Step 5: Solve for x
x = 289,694,802,685.86/616,295.22 - Step 6: Final answer
x = 470,058.49
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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.