Finding the Fourth Proportional to 243,720.04, 336,319.70 and 134,817.88
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Solution
The fourth proportional to 243,720.04, 336,319.70 and 134,817.88 is: 186,040.95
Step by Step Solution
- Step 1: Write the proportion equation
243,720.04 : 336,319.70 = 134,817.88 : x - Step 2: Convert to fraction form
243,720.04/336,319.70 = 134,817.88/x - Step 3: Cross multiply
243,720.04x = 336,319.70 × 134,817.88 - Step 4: Simplify right side
243,720.04x = 45,341,908,956.24 - Step 5: Solve for x
x = 45,341,908,956.24/243,720.04 - Step 6: Final answer
x = 186,040.95
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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.