Finding the Fourth Proportional to 286,930.80, 430,098.93 and 97,327.62
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Solution
The fourth proportional to 286,930.80, 430,098.93 and 97,327.62 is: 145,890.60
Step by Step Solution
- Step 1: Write the proportion equation
286,930.80 : 430,098.93 = 97,327.62 : x - Step 2: Convert to fraction form
286,930.80/430,098.93 = 97,327.62/x - Step 3: Cross multiply
286,930.80x = 430,098.93 × 97,327.62 - Step 4: Simplify right side
286,930.80x = 41,860,505,221.45 - Step 5: Solve for x
x = 41,860,505,221.45/286,930.80 - Step 6: Final answer
x = 145,890.60
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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.