Finding the Fourth Proportional to 340,634.74, 470,076.06 and 197,477.96
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Solution
The fourth proportional to 340,634.74, 470,076.06 and 197,477.96 is: 272,519.65
Step by Step Solution
- Step 1: Write the proportion equation
340,634.74 : 470,076.06 = 197,477.96 : x - Step 2: Convert to fraction form
340,634.74/470,076.06 = 197,477.96/x - Step 3: Cross multiply
340,634.74x = 470,076.06 × 197,477.96 - Step 4: Simplify right side
340,634.74x = 92,829,661,373.64 - Step 5: Solve for x
x = 92,829,661,373.64/340,634.74 - Step 6: Final answer
x = 272,519.65
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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.