Finding the Fourth Proportional to 576,101.80, 864,152.70 and 339,905.80
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Solution
The fourth proportional to 576,101.80, 864,152.70 and 339,905.80 is: 509,858.70
Step by Step Solution
- Step 1: Write the proportion equation
576,101.80 : 864,152.70 = 339,905.80 : x - Step 2: Convert to fraction form
576,101.80/864,152.70 = 339,905.80/x - Step 3: Cross multiply
576,101.80x = 864,152.70 × 339,905.80 - Step 4: Simplify right side
576,101.80x = 293,730,514,815.66 - Step 5: Solve for x
x = 293,730,514,815.66/576,101.80 - Step 6: Final answer
x = 509,858.70
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1.5x scale
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.