Finding the Fourth Proportional to 639,203.13, 882,070.36 and 367,079.18
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Solution
The fourth proportional to 639,203.13, 882,070.36 and 367,079.18 is: 506,552.06
Step by Step Solution
- Step 1: Write the proportion equation
639,203.13 : 882,070.36 = 367,079.18 : x - Step 2: Convert to fraction form
639,203.13/882,070.36 = 367,079.18/x - Step 3: Cross multiply
639,203.13x = 882,070.36 × 367,079.18 - Step 4: Simplify right side
639,203.13x = 323,789,659,123.06 - Step 5: Solve for x
x = 323,789,659,123.06/639,203.13 - Step 6: Final answer
x = 506,552.06
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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.