Finding the Fourth Proportional to 403,013.07, 556,162.68 and 230,927.63
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Solution
The fourth proportional to 403,013.07, 556,162.68 and 230,927.63 is: 318,682.78
Step by Step Solution
- Step 1: Write the proportion equation
403,013.07 : 556,162.68 = 230,927.63 : x - Step 2: Convert to fraction form
403,013.07/556,162.68 = 230,927.63/x - Step 3: Cross multiply
403,013.07x = 556,162.68 × 230,927.63 - Step 4: Simplify right side
403,013.07x = 128,433,326,806.04 - Step 5: Solve for x
x = 128,433,326,806.04/403,013.07 - Step 6: Final answer
x = 318,682.78
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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.