Finding the Fourth Proportional to 348,336.36, 480,748.64 and 205,109.68
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Solution
The fourth proportional to 348,336.36, 480,748.64 and 205,109.68 is: 283,077.54
Step by Step Solution
- Step 1: Write the proportion equation
348,336.36 : 480,748.64 = 205,109.68 : x - Step 2: Convert to fraction form
348,336.36/480,748.64 = 205,109.68/x - Step 3: Cross multiply
348,336.36x = 480,748.64 × 205,109.68 - Step 4: Simplify right side
348,336.36x = 98,606,199,710.84 - Step 5: Solve for x
x = 98,606,199,710.84/348,336.36 - Step 6: Final answer
x = 283,077.54
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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.