Finding the Fourth Proportional to 246,712.88, 340,463.40 and 133,536.08
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Solution
The fourth proportional to 246,712.88, 340,463.40 and 133,536.08 is: 184,279.59
Step by Step Solution
- Step 1: Write the proportion equation
246,712.88 : 340,463.40 = 133,536.08 : x - Step 2: Convert to fraction form
246,712.88/340,463.40 = 133,536.08/x - Step 3: Cross multiply
246,712.88x = 340,463.40 × 133,536.08 - Step 4: Simplify right side
246,712.88x = 45,464,147,819.47 - Step 5: Solve for x
x = 45,464,147,819.47/246,712.88 - Step 6: Final answer
x = 184,279.59
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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.