Finding the Fourth Proportional to 452,265.06, 678,495.99 and 136,713.75
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Solution
The fourth proportional to 452,265.06, 678,495.99 and 136,713.75 is: 205,100.37
Step by Step Solution
- Step 1: Write the proportion equation
452,265.06 : 678,495.99 = 136,713.75 : x - Step 2: Convert to fraction form
452,265.06/678,495.99 = 136,713.75/x - Step 3: Cross multiply
452,265.06x = 678,495.99 × 136,713.75 - Step 4: Simplify right side
452,265.06x = 92,759,731,152.86 - Step 5: Solve for x
x = 92,759,731,152.86/452,265.06 - Step 6: Final answer
x = 205,100.37
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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.