Finding the Fourth Proportional to 453,145.05, 625,270.14 and 262,176.21
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Solution
The fourth proportional to 453,145.05, 625,270.14 and 262,176.21 is: 361,762.65
Step by Step Solution
- Step 1: Write the proportion equation
453,145.05 : 625,270.14 = 262,176.21 : x - Step 2: Convert to fraction form
453,145.05/625,270.14 = 262,176.21/x - Step 3: Cross multiply
453,145.05x = 625,270.14 × 262,176.21 - Step 4: Simplify right side
453,145.05x = 163,930,955,531.37 - Step 5: Solve for x
x = 163,930,955,531.37/453,145.05 - Step 6: Final answer
x = 361,762.65
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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.