Finding the Fourth Proportional to 372,395.70, 558,593.55 and 147,809.70
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Solution
The fourth proportional to 372,395.70, 558,593.55 and 147,809.70 is: 221,714.55
Step by Step Solution
- Step 1: Write the proportion equation
372,395.70 : 558,593.55 = 147,809.70 : x - Step 2: Convert to fraction form
372,395.70/558,593.55 = 147,809.70/x - Step 3: Cross multiply
372,395.70x = 558,593.55 × 147,809.70 - Step 4: Simplify right side
372,395.70x = 82,565,545,047.44 - Step 5: Solve for x
x = 82,565,545,047.44/372,395.70 - Step 6: Final answer
x = 221,714.55
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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.