Finding the Fourth Proportional to 355,288,204.80, 533,828,102.40 and 225,957,772.80
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Solution
The fourth proportional to 355,288,204.80, 533,828,102.40 and 225,957,772.80 is: 339,506,371.02
Step by Step Solution
- Step 1: Write the proportion equation
355,288,204.80 : 533,828,102.40 = 225,957,772.80 : x - Step 2: Convert to fraction form
355,288,204.80/533,828,102.40 = 225,957,772.80/x - Step 3: Cross multiply
355,288,204.80x = 533,828,102.40 × 225,957,772.80 - Step 4: Simplify right side
355,288,204.80x = 120,622,609,076,354,336 - Step 5: Solve for x
x = 120,622,609,076,354,336/355,288,204.80 - Step 6: Final answer
x = 339,506,371.02
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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.