Finding the Fourth Proportional to 351,854.44, 527,739.54 and 99,153.88
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Solution
The fourth proportional to 351,854.44, 527,739.54 and 99,153.88 is: 148,718.95
Step by Step Solution
- Step 1: Write the proportion equation
351,854.44 : 527,739.54 = 99,153.88 : x - Step 2: Convert to fraction form
351,854.44/527,739.54 = 99,153.88/x - Step 3: Cross multiply
351,854.44x = 527,739.54 × 99,153.88 - Step 4: Simplify right side
351,854.44x = 52,327,423,020.42 - Step 5: Solve for x
x = 52,327,423,020.42/351,854.44 - Step 6: Final answer
x = 148,718.95
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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.