Finding the Fourth Proportional to 130,470.08, 195,729.12 and 55,590.08
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Solution
The fourth proportional to 130,470.08, 195,729.12 and 55,590.08 is: 83,395.35
Step by Step Solution
- Step 1: Write the proportion equation
130,470.08 : 195,729.12 = 55,590.08 : x - Step 2: Convert to fraction form
130,470.08/195,729.12 = 55,590.08/x - Step 3: Cross multiply
130,470.08x = 195,729.12 × 55,590.08 - Step 4: Simplify right side
130,470.08x = 10,880,597,439.13 - Step 5: Solve for x
x = 10,880,597,439.13/130,470.08 - Step 6: Final answer
x = 83,395.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.