Finding the Fourth Proportional to 670,358.08, 1,005,395.26 and 220,972.14
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Solution
The fourth proportional to 670,358.08, 1,005,395.26 and 220,972.14 is: 331,411.45
Step by Step Solution
- Step 1: Write the proportion equation
670,358.08 : 1,005,395.26 = 220,972.14 : x - Step 2: Convert to fraction form
670,358.08/1,005,395.26 = 220,972.14/x - Step 3: Cross multiply
670,358.08x = 1,005,395.26 × 220,972.14 - Step 4: Simplify right side
670,358.08x = 222,164,341,043.20 - Step 5: Solve for x
x = 222,164,341,043.20/670,358.08 - Step 6: Final answer
x = 331,411.45
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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.