Finding the Fourth Proportional to 369,873.60, 554,814.09 and 117,149.28
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Solution
The fourth proportional to 369,873.60, 554,814.09 and 117,149.28 is: 175,725.09
Step by Step Solution
- Step 1: Write the proportion equation
369,873.60 : 554,814.09 = 117,149.28 : x - Step 2: Convert to fraction form
369,873.60/554,814.09 = 117,149.28/x - Step 3: Cross multiply
369,873.60x = 554,814.09 × 117,149.28 - Step 4: Simplify right side
369,873.60x = 64,996,071,177.36 - Step 5: Solve for x
x = 64,996,071,177.36/369,873.60 - Step 6: Final answer
x = 175,725.09
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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.