Finding the Fourth Proportional to 513,136.58, 708,107.60 and 283,679.28
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Solution
The fourth proportional to 513,136.58, 708,107.60 and 283,679.28 is: 391,465.86
Step by Step Solution
- Step 1: Write the proportion equation
513,136.58 : 708,107.60 = 283,679.28 : x - Step 2: Convert to fraction form
513,136.58/708,107.60 = 283,679.28/x - Step 3: Cross multiply
513,136.58x = 708,107.60 × 283,679.28 - Step 4: Simplify right side
513,136.58x = 200,875,454,130.53 - Step 5: Solve for x
x = 200,875,454,130.53/513,136.58 - Step 6: Final answer
x = 391,465.86
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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.