Finding the Fourth Proportional to 527,387.50, 790,762.30 and 207,156.02
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Solution
The fourth proportional to 527,387.50, 790,762.30 and 207,156.02 is: 310,608.75
Step by Step Solution
- Step 1: Write the proportion equation
527,387.50 : 790,762.30 = 207,156.02 : x - Step 2: Convert to fraction form
527,387.50/790,762.30 = 207,156.02/x - Step 3: Cross multiply
527,387.50x = 790,762.30 × 207,156.02 - Step 4: Simplify right side
527,387.50x = 163,811,170,834.05 - Step 5: Solve for x
x = 163,811,170,834.05/527,387.50 - Step 6: Final answer
x = 310,608.75
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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.