Finding the Fourth Proportional to 329,855.68, 455,201.70 and 178,952.68
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Solution
The fourth proportional to 329,855.68, 455,201.70 and 178,952.68 is: 246,955.17
Step by Step Solution
- Step 1: Write the proportion equation
329,855.68 : 455,201.70 = 178,952.68 : x - Step 2: Convert to fraction form
329,855.68/455,201.70 = 178,952.68/x - Step 3: Cross multiply
329,855.68x = 455,201.70 × 178,952.68 - Step 4: Simplify right side
329,855.68x = 81,459,564,155.56 - Step 5: Solve for x
x = 81,459,564,155.56/329,855.68 - Step 6: Final answer
x = 246,955.17
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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.