Finding the Fourth Proportional to 368,197.36, 551,996.34 and 115,347.76
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Solution
The fourth proportional to 368,197.36, 551,996.34 and 115,347.76 is: 172,927.75
Step by Step Solution
- Step 1: Write the proportion equation
368,197.36 : 551,996.34 = 115,347.76 : x - Step 2: Convert to fraction form
368,197.36/551,996.34 = 115,347.76/x - Step 3: Cross multiply
368,197.36x = 551,996.34 × 115,347.76 - Step 4: Simplify right side
368,197.36x = 63,671,541,347.20 - Step 5: Solve for x
x = 63,671,541,347.20/368,197.36 - Step 6: Final answer
x = 172,927.75
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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.