Finding the Fourth Proportional to 549,267.70, 823,901.55 and 269,331.70
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Solution
The fourth proportional to 549,267.70, 823,901.55 and 269,331.70 is: 403,997.55
Step by Step Solution
- Step 1: Write the proportion equation
549,267.70 : 823,901.55 = 269,331.70 : x - Step 2: Convert to fraction form
549,267.70/823,901.55 = 269,331.70/x - Step 3: Cross multiply
549,267.70x = 823,901.55 × 269,331.70 - Step 4: Simplify right side
549,267.70x = 221,902,805,094.14 - Step 5: Solve for x
x = 221,902,805,094.14/549,267.70 - Step 6: Final answer
x = 403,997.55
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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.