Finding the Fourth Proportional to 197,127.12, 272,035.52 and 106,483.08
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Solution
The fourth proportional to 197,127.12, 272,035.52 and 106,483.08 is: 146,946.70
Step by Step Solution
- Step 1: Write the proportion equation
197,127.12 : 272,035.52 = 106,483.08 : x - Step 2: Convert to fraction form
197,127.12/272,035.52 = 106,483.08/x - Step 3: Cross multiply
197,127.12x = 272,035.52 × 106,483.08 - Step 4: Simplify right side
197,127.12x = 28,967,179,506.59 - Step 5: Solve for x
x = 28,967,179,506.59/197,127.12 - Step 6: Final answer
x = 146,946.70
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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.