Finding the Fourth Proportional to 190,845.20, 286,267.80 and 97,533.20
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Solution
The fourth proportional to 190,845.20, 286,267.80 and 97,533.20 is: 146,299.80
Step by Step Solution
- Step 1: Write the proportion equation
190,845.20 : 286,267.80 = 97,533.20 : x - Step 2: Convert to fraction form
190,845.20/286,267.80 = 97,533.20/x - Step 3: Cross multiply
190,845.20x = 286,267.80 × 97,533.20 - Step 4: Simplify right side
190,845.20x = 27,920,614,590.96 - Step 5: Solve for x
x = 27,920,614,590.96/190,845.20 - Step 6: Final answer
x = 146,299.80
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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.