Finding the Fourth Proportional to 156,590.08, 234,885.12 and 45,782.08
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Solution
The fourth proportional to 156,590.08, 234,885.12 and 45,782.08 is: 68,673.12
Step by Step Solution
- Step 1: Write the proportion equation
156,590.08 : 234,885.12 = 45,782.08 : x - Step 2: Convert to fraction form
156,590.08/234,885.12 = 45,782.08/x - Step 3: Cross multiply
156,590.08x = 234,885.12 × 45,782.08 - Step 4: Simplify right side
156,590.08x = 10,753,529,354.65 - Step 5: Solve for x
x = 10,753,529,354.65/156,590.08 - Step 6: Final answer
x = 68,673.12
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1.5x scale
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.