Finding the Fourth Proportional to 372,631.68, 558,956.68 and 135,974.28
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Solution
The fourth proportional to 372,631.68, 558,956.68 and 135,974.28 is: 203,964.76
Step by Step Solution
- Step 1: Write the proportion equation
372,631.68 : 558,956.68 = 135,974.28 : x - Step 2: Convert to fraction form
372,631.68/558,956.68 = 135,974.28/x - Step 3: Cross multiply
372,631.68x = 558,956.68 × 135,974.28 - Step 4: Simplify right side
372,631.68x = 76,003,732,114.19 - Step 5: Solve for x
x = 76,003,732,114.19/372,631.68 - Step 6: Final answer
x = 203,964.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.