Finding the Fourth Proportional to 302,277.06, 416,965.18 and 193,341.65
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Solution
The fourth proportional to 302,277.06, 416,965.18 and 193,341.65 is: 266,698.16
Step by Step Solution
- Step 1: Write the proportion equation
302,277.06 : 416,965.18 = 193,341.65 : x - Step 2: Convert to fraction form
302,277.06/416,965.18 = 193,341.65/x - Step 3: Cross multiply
302,277.06x = 416,965.18 × 193,341.65 - Step 4: Simplify right side
302,277.06x = 80,616,735,893.75 - Step 5: Solve for x
x = 80,616,735,893.75/302,277.06 - Step 6: Final answer
x = 266,698.16
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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.