Finding the Fourth Proportional to 197,646.14, 272,746.66 and 110,431.95
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Solution
The fourth proportional to 197,646.14, 272,746.66 and 110,431.95 is: 152,393.29
Step by Step Solution
- Step 1: Write the proportion equation
197,646.14 : 272,746.66 = 110,431.95 : x - Step 2: Convert to fraction form
197,646.14/272,746.66 = 110,431.95/x - Step 3: Cross multiply
197,646.14x = 272,746.66 × 110,431.95 - Step 4: Simplify right side
197,646.14x = 30,119,945,519.79 - Step 5: Solve for x
x = 30,119,945,519.79/197,646.14 - Step 6: Final answer
x = 152,393.29
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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.