Finding the Fourth Proportional to 283,256.68, 390,051.06 and 276,970.12
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Solution
The fourth proportional to 283,256.68, 390,051.06 and 276,970.12 is: 381,394.32
Step by Step Solution
- Step 1: Write the proportion equation
283,256.68 : 390,051.06 = 276,970.12 : x - Step 2: Convert to fraction form
283,256.68/390,051.06 = 276,970.12/x - Step 3: Cross multiply
283,256.68x = 390,051.06 × 276,970.12 - Step 4: Simplify right side
283,256.68x = 108,032,488,894.33 - Step 5: Solve for x
x = 108,032,488,894.33/283,256.68 - Step 6: Final answer
x = 381,394.32
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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.