Finding the Fourth Proportional to 160,395.14, 240,483.36 and 81,356.96
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Solution
The fourth proportional to 160,395.14, 240,483.36 and 81,356.96 is: 121,979.98
Step by Step Solution
- Step 1: Write the proportion equation
160,395.14 : 240,483.36 = 81,356.96 : x - Step 2: Convert to fraction form
160,395.14/240,483.36 = 81,356.96/x - Step 3: Cross multiply
160,395.14x = 240,483.36 × 81,356.96 - Step 4: Simplify right side
160,395.14x = 19,564,996,006.48 - Step 5: Solve for x
x = 19,564,996,006.48/160,395.14 - Step 6: Final answer
x = 121,979.98
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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.