Finding the Fourth Proportional to 86,830.70, 130,246.05 and 24,501.20
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Solution
The fourth proportional to 86,830.70, 130,246.05 and 24,501.20 is: 36,751.80
Step by Step Solution
- Step 1: Write the proportion equation
86,830.70 : 130,246.05 = 24,501.20 : x - Step 2: Convert to fraction form
86,830.70/130,246.05 = 24,501.20/x - Step 3: Cross multiply
86,830.70x = 130,246.05 × 24,501.20 - Step 4: Simplify right side
86,830.70x = 3,191,184,520.26 - Step 5: Solve for x
x = 3,191,184,520.26/86,830.70 - Step 6: Final answer
x = 36,751.80
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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.