Finding the Fourth Proportional to 291,079.03, 401,696.87 and 160,260.67
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Solution
The fourth proportional to 291,079.03, 401,696.87 and 160,260.67 is: 221,164.02
Step by Step Solution
- Step 1: Write the proportion equation
291,079.03 : 401,696.87 = 160,260.67 : x - Step 2: Convert to fraction form
291,079.03/401,696.87 = 160,260.67/x - Step 3: Cross multiply
291,079.03x = 401,696.87 × 160,260.67 - Step 4: Simplify right side
291,079.03x = 64,376,209,523.10 - Step 5: Solve for x
x = 64,376,209,523.10/291,079.03 - Step 6: Final answer
x = 221,164.02
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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.