Finding the Fourth Proportional to 423,222.63, 634,854.70 and 170,468.99
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Solution
The fourth proportional to 423,222.63, 634,854.70 and 170,468.99 is: 255,711.84
Step by Step Solution
- Step 1: Write the proportion equation
423,222.63 : 634,854.70 = 170,468.99 : x - Step 2: Convert to fraction form
423,222.63/634,854.70 = 170,468.99/x - Step 3: Cross multiply
423,222.63x = 634,854.70 × 170,468.99 - Step 4: Simplify right side
423,222.63x = 108,223,037,575.10 - Step 5: Solve for x
x = 108,223,037,575.10/423,222.63 - Step 6: Final answer
x = 255,711.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.