Finding the Fourth Proportional to 340,791.08, 469,984.74 and 213,477.80
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Solution
The fourth proportional to 340,791.08, 469,984.74 and 213,477.80 is: 294,407.08
Step by Step Solution
- Step 1: Write the proportion equation
340,791.08 : 469,984.74 = 213,477.80 : x - Step 2: Convert to fraction form
340,791.08/469,984.74 = 213,477.80/x - Step 3: Cross multiply
340,791.08x = 469,984.74 × 213,477.80 - Step 4: Simplify right side
340,791.08x = 100,331,308,328.77 - Step 5: Solve for x
x = 100,331,308,328.77/340,791.08 - Step 6: Final answer
x = 294,407.08
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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.