Finding the Fourth Proportional to 369,783.84, 554,759.28 and 117,079.68
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Solution
The fourth proportional to 369,783.84, 554,759.28 and 117,079.68 is: 175,645.96
Step by Step Solution
- Step 1: Write the proportion equation
369,783.84 : 554,759.28 = 117,079.68 : x - Step 2: Convert to fraction form
369,783.84/554,759.28 = 117,079.68/x - Step 3: Cross multiply
369,783.84x = 554,759.28 × 117,079.68 - Step 4: Simplify right side
369,783.84x = 64,951,038,979.43 - Step 5: Solve for x
x = 64,951,038,979.43/369,783.84 - Step 6: Final answer
x = 175,645.96
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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.