Finding the Fourth Proportional to 426,405.07, 588,437.36 and 235,417.06
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Solution
The fourth proportional to 426,405.07, 588,437.36 and 235,417.06 is: 324,874.64
Step by Step Solution
- Step 1: Write the proportion equation
426,405.07 : 588,437.36 = 235,417.06 : x - Step 2: Convert to fraction form
426,405.07/588,437.36 = 235,417.06/x - Step 3: Cross multiply
426,405.07x = 588,437.36 × 235,417.06 - Step 4: Simplify right side
426,405.07x = 138,528,193,285.36 - Step 5: Solve for x
x = 138,528,193,285.36/426,405.07 - Step 6: Final answer
x = 324,874.64
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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.