Finding the Fourth Proportional to 218,927.08, 302,119.18 and 118,325.08
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Solution
The fourth proportional to 218,927.08, 302,119.18 and 118,325.08 is: 163,288.50
Step by Step Solution
- Step 1: Write the proportion equation
218,927.08 : 302,119.18 = 118,325.08 : x - Step 2: Convert to fraction form
218,927.08/302,119.18 = 118,325.08/x - Step 3: Cross multiply
218,927.08x = 302,119.18 × 118,325.08 - Step 4: Simplify right side
218,927.08x = 35,748,275,091.92 - Step 5: Solve for x
x = 35,748,275,091.92/218,927.08 - Step 6: Final answer
x = 163,288.50
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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.