Finding the Fourth Proportional to 545,179.35, 817,890.99 and 166,129.76
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Solution
The fourth proportional to 545,179.35, 817,890.99 and 166,129.76 is: 249,231.80
Step by Step Solution
- Step 1: Write the proportion equation
545,179.35 : 817,890.99 = 166,129.76 : x - Step 2: Convert to fraction form
545,179.35/817,890.99 = 166,129.76/x - Step 3: Cross multiply
545,179.35x = 817,890.99 × 166,129.76 - Step 4: Simplify right side
545,179.35x = 135,876,029,785.41 - Step 5: Solve for x
x = 135,876,029,785.41/545,179.35 - Step 6: Final answer
x = 249,231.80
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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.