Finding the Fourth Proportional to 513,149.63, 708,116.00 and 283,693.19
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Solution
The fourth proportional to 513,149.63, 708,116.00 and 283,693.19 is: 391,479.74
Step by Step Solution
- Step 1: Write the proportion equation
513,149.63 : 708,116.00 = 283,693.19 : x - Step 2: Convert to fraction form
513,149.63/708,116.00 = 283,693.19/x - Step 3: Cross multiply
513,149.63x = 708,116.00 × 283,693.19 - Step 4: Simplify right side
513,149.63x = 200,887,681,970.99 - Step 5: Solve for x
x = 200,887,681,970.99/513,149.63 - Step 6: Final answer
x = 391,479.74
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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.