Finding the Fourth Proportional to 292,870.45, 438,804.18 and 159,844.05
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Solution
The fourth proportional to 292,870.45, 438,804.18 and 159,844.05 is: 239,492.37
Step by Step Solution
- Step 1: Write the proportion equation
292,870.45 : 438,804.18 = 159,844.05 : x - Step 2: Convert to fraction form
292,870.45/438,804.18 = 159,844.05/x - Step 3: Cross multiply
292,870.45x = 438,804.18 × 159,844.05 - Step 4: Simplify right side
292,870.45x = 70,140,237,288.13 - Step 5: Solve for x
x = 70,140,237,288.13/292,870.45 - Step 6: Final answer
x = 239,492.37
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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.