Finding the Fourth Proportional to 513,193.24, 708,178.10 and 283,737.25
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Solution
The fourth proportional to 513,193.24, 708,178.10 and 283,737.25 is: 391,541.61
Step by Step Solution
- Step 1: Write the proportion equation
513,193.24 : 708,178.10 = 283,737.25 : x - Step 2: Convert to fraction form
513,193.24/708,178.10 = 283,737.25/x - Step 3: Cross multiply
513,193.24x = 708,178.10 × 283,737.25 - Step 4: Simplify right side
513,193.24x = 200,936,506,604.23 - Step 5: Solve for x
x = 200,936,506,604.23/513,193.24 - Step 6: Final answer
x = 391,541.61
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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.