Finding the Fourth Proportional to 576,511.19, 864,678.11 and 192,266.78
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Solution
The fourth proportional to 576,511.19, 864,678.11 and 192,266.78 is: 288,370.59
Step by Step Solution
- Step 1: Write the proportion equation
576,511.19 : 864,678.11 = 192,266.78 : x - Step 2: Convert to fraction form
576,511.19/864,678.11 = 192,266.78/x - Step 3: Cross multiply
576,511.19x = 864,678.11 × 192,266.78 - Step 4: Simplify right side
576,511.19x = 166,248,875,346.01 - Step 5: Solve for x
x = 166,248,875,346.01/576,511.19 - Step 6: Final answer
x = 288,370.59
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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.