Finding the Fourth Proportional to 213,688.13, 294,869.84 and 118,192.77
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Solution
The fourth proportional to 213,688.13, 294,869.84 and 118,192.77 is: 163,095.08
Step by Step Solution
- Step 1: Write the proportion equation
213,688.13 : 294,869.84 = 118,192.77 : x - Step 2: Convert to fraction form
213,688.13/294,869.84 = 118,192.77/x - Step 3: Cross multiply
213,688.13x = 294,869.84 × 118,192.77 - Step 4: Simplify right side
213,688.13x = 34,851,482,588.09 - Step 5: Solve for x
x = 34,851,482,588.09/213,688.13 - Step 6: Final answer
x = 163,095.08
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1.5x scale
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.