Finding the Fourth Proportional to 417,698.06, 576,423.74 and 226,711.49
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Solution
The fourth proportional to 417,698.06, 576,423.74 and 226,711.49 is: 312,862.08
Step by Step Solution
- Step 1: Write the proportion equation
417,698.06 : 576,423.74 = 226,711.49 : x - Step 2: Convert to fraction form
417,698.06/576,423.74 = 226,711.49/x - Step 3: Cross multiply
417,698.06x = 576,423.74 × 226,711.49 - Step 4: Simplify right side
417,698.06x = 130,681,884,966.77 - Step 5: Solve for x
x = 130,681,884,966.77/417,698.06 - Step 6: Final answer
x = 312,862.08
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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.