Finding the Fourth Proportional to 190,281.42, 285,560.64 and 153,288.18
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Solution
The fourth proportional to 190,281.42, 285,560.64 and 153,288.18 is: 230,043.85
Step by Step Solution
- Step 1: Write the proportion equation
190,281.42 : 285,560.64 = 153,288.18 : x - Step 2: Convert to fraction form
190,281.42/285,560.64 = 153,288.18/x - Step 3: Cross multiply
190,281.42x = 285,560.64 × 153,288.18 - Step 4: Simplify right side
190,281.42x = 43,773,070,785.24 - Step 5: Solve for x
x = 43,773,070,785.24/190,281.42 - Step 6: Final answer
x = 230,043.85
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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.