Finding the Fourth Proportional to 345,068.51, 517,427.70 and 157,919.63
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Solution
The fourth proportional to 345,068.51, 517,427.70 and 157,919.63 is: 236,799.32
Step by Step Solution
- Step 1: Write the proportion equation
345,068.51 : 517,427.70 = 157,919.63 : x - Step 2: Convert to fraction form
345,068.51/517,427.70 = 157,919.63/x - Step 3: Cross multiply
345,068.51x = 517,427.70 × 157,919.63 - Step 4: Simplify right side
345,068.51x = 81,711,987,756.41 - Step 5: Solve for x
x = 81,711,987,756.41/345,068.51 - Step 6: Final answer
x = 236,799.32
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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.