Finding the Fourth Proportional to 311,701.18, 430,126.04 and 175,739.98
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Solution
The fourth proportional to 311,701.18, 430,126.04 and 175,739.98 is: 242,509.00
Step by Step Solution
- Step 1: Write the proportion equation
311,701.18 : 430,126.04 = 175,739.98 : x - Step 2: Convert to fraction form
311,701.18/430,126.04 = 175,739.98/x - Step 3: Cross multiply
311,701.18x = 430,126.04 × 175,739.98 - Step 4: Simplify right side
311,701.18x = 75,590,341,667.08 - Step 5: Solve for x
x = 75,590,341,667.08/311,701.18 - Step 6: Final answer
x = 242,509.00
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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.