Finding the Fourth Proportional to 356,959.14, 535,579.06 and 157,139.44
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Solution
The fourth proportional to 356,959.14, 535,579.06 and 157,139.44 is: 235,770.94
Step by Step Solution
- Step 1: Write the proportion equation
356,959.14 : 535,579.06 = 157,139.44 : x - Step 2: Convert to fraction form
356,959.14/535,579.06 = 157,139.44/x - Step 3: Cross multiply
356,959.14x = 535,579.06 × 157,139.44 - Step 4: Simplify right side
356,959.14x = 84,160,593,564.13 - Step 5: Solve for x
x = 84,160,593,564.13/356,959.14 - Step 6: Final answer
x = 235,770.94
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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.