Finding the Fourth Proportional to 197,372.19, 272,373.42 and 106,727.93
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Solution
The fourth proportional to 197,372.19, 272,373.42 and 106,727.93 is: 147,284.43
Step by Step Solution
- Step 1: Write the proportion equation
197,372.19 : 272,373.42 = 106,727.93 : x - Step 2: Convert to fraction form
197,372.19/272,373.42 = 106,727.93/x - Step 3: Cross multiply
197,372.19x = 272,373.42 × 106,727.93 - Step 4: Simplify right side
197,372.19x = 29,069,849,941.75 - Step 5: Solve for x
x = 29,069,849,941.75/197,372.19 - Step 6: Final answer
x = 147,284.43
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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.