Finding the Fourth Proportional to 665,187.12, 997,780.68 and 244,280.88
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Solution
The fourth proportional to 665,187.12, 997,780.68 and 244,280.88 is: 366,421.32
Step by Step Solution
- Step 1: Write the proportion equation
665,187.12 : 997,780.68 = 244,280.88 : x - Step 2: Convert to fraction form
665,187.12/997,780.68 = 244,280.88/x - Step 3: Cross multiply
665,187.12x = 997,780.68 × 244,280.88 - Step 4: Simplify right side
665,187.12x = 243,738,742,557.40 - Step 5: Solve for x
x = 243,738,742,557.40/665,187.12 - Step 6: Final answer
x = 366,421.32
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Similar ratio
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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.