Finding the Fourth Proportional to 426,405.57, 588,438.05 and 235,417.56
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Solution
The fourth proportional to 426,405.57, 588,438.05 and 235,417.56 is: 324,875.33
Step by Step Solution
- Step 1: Write the proportion equation
426,405.57 : 588,438.05 = 235,417.56 : x - Step 2: Convert to fraction form
426,405.57/588,438.05 = 235,417.56/x - Step 3: Cross multiply
426,405.57x = 588,438.05 × 235,417.56 - Step 4: Simplify right side
426,405.57x = 138,528,649,942.16 - Step 5: Solve for x
x = 138,528,649,942.16/426,405.57 - Step 6: Final answer
x = 324,875.33
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1.5x scale
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.