Finding the Fourth Proportional to 185,291.36, 277,929.60 and 128,968.80
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Solution
The fourth proportional to 185,291.36, 277,929.60 and 128,968.80 is: 193,448.02
Step by Step Solution
- Step 1: Write the proportion equation
185,291.36 : 277,929.60 = 128,968.80 : x - Step 2: Convert to fraction form
185,291.36/277,929.60 = 128,968.80/x - Step 3: Cross multiply
185,291.36x = 277,929.60 × 128,968.80 - Step 4: Simplify right side
185,291.36x = 35,844,246,996.48 - Step 5: Solve for x
x = 35,844,246,996.48/185,291.36 - Step 6: Final answer
x = 193,448.02
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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.