Finding the Fourth Proportional to 197,397.64, 272,407.96 and 106,753.71
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Solution
The fourth proportional to 197,397.64, 272,407.96 and 106,753.71 is: 147,319.69
Step by Step Solution
- Step 1: Write the proportion equation
197,397.64 : 272,407.96 = 106,753.71 : x - Step 2: Convert to fraction form
197,397.64/272,407.96 = 106,753.71/x - Step 3: Cross multiply
197,397.64x = 272,407.96 × 106,753.71 - Step 4: Simplify right side
197,397.64x = 29,080,559,220.06 - Step 5: Solve for x
x = 29,080,559,220.06/197,397.64 - Step 6: Final answer
x = 147,319.69
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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.