Finding the Fourth Proportional to 148,693.46, 205,138.58 and 84,997.08
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Solution
The fourth proportional to 148,693.46, 205,138.58 and 84,997.08 is: 117,262.59
Step by Step Solution
- Step 1: Write the proportion equation
148,693.46 : 205,138.58 = 84,997.08 : x - Step 2: Convert to fraction form
148,693.46/205,138.58 = 84,997.08/x - Step 3: Cross multiply
148,693.46x = 205,138.58 × 84,997.08 - Step 4: Simplify right side
148,693.46x = 17,436,179,870.36 - Step 5: Solve for x
x = 17,436,179,870.36/148,693.46 - Step 6: Final answer
x = 117,262.59
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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.