Finding the Fourth Proportional to 236,960,269.80, 355,440,404.70 and 129,464,845.80
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Solution
The fourth proportional to 236,960,269.80, 355,440,404.70 and 129,464,845.80 is: 194,197,268.70
Step by Step Solution
- Step 1: Write the proportion equation
236,960,269.80 : 355,440,404.70 = 129,464,845.80 : x - Step 2: Convert to fraction form
236,960,269.80/355,440,404.70 = 129,464,845.80/x - Step 3: Cross multiply
236,960,269.80x = 355,440,404.70 × 129,464,845.80 - Step 4: Simplify right side
236,960,269.80x = 46,017,037,185,575,096 - Step 5: Solve for x
x = 46,017,037,185,575,096/236,960,269.80 - Step 6: Final answer
x = 194,197,268.70
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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.