Finding the Fourth Proportional to 534,021.12, 737,133.12 and 307,756.80
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Solution
The fourth proportional to 534,021.12, 737,133.12 and 307,756.80 is: 424,810.41
Step by Step Solution
- Step 1: Write the proportion equation
534,021.12 : 737,133.12 = 307,756.80 : x - Step 2: Convert to fraction form
534,021.12/737,133.12 = 307,756.80/x - Step 3: Cross multiply
534,021.12x = 737,133.12 × 307,756.80 - Step 4: Simplify right side
534,021.12x = 226,857,730,185.22 - Step 5: Solve for x
x = 226,857,730,185.22/534,021.12 - Step 6: Final answer
x = 424,810.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.