Finding the Fourth Proportional to 508,765.12, 763,147.68 and 176,341.12
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Solution
The fourth proportional to 508,765.12, 763,147.68 and 176,341.12 is: 264,511.68
Step by Step Solution
- Step 1: Write the proportion equation
508,765.12 : 763,147.68 = 176,341.12 : x - Step 2: Convert to fraction form
508,765.12/763,147.68 = 176,341.12/x - Step 3: Cross multiply
508,765.12x = 763,147.68 × 176,341.12 - Step 4: Simplify right side
508,765.12x = 134,574,316,616.60 - Step 5: Solve for x
x = 134,574,316,616.60/508,765.12 - Step 6: Final answer
x = 264,511.68
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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.