Finding the Fourth Proportional to 426,210.05, 588,246.06 and 254,139.09
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Solution
The fourth proportional to 426,210.05, 588,246.06 and 254,139.09 is: 350,757.38
Step by Step Solution
- Step 1: Write the proportion equation
426,210.05 : 588,246.06 = 254,139.09 : x - Step 2: Convert to fraction form
426,210.05/588,246.06 = 254,139.09/x - Step 3: Cross multiply
426,210.05x = 588,246.06 × 254,139.09 - Step 4: Simplify right side
426,210.05x = 149,496,318,384.49 - Step 5: Solve for x
x = 149,496,318,384.49/426,210.05 - Step 6: Final answer
x = 350,757.38
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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.