Finding the Fourth Proportional to 97,462.86, 134,499.85 and 57,177.31
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Solution
The fourth proportional to 97,462.86, 134,499.85 and 57,177.31 is: 78,905.34
Step by Step Solution
- Step 1: Write the proportion equation
97,462.86 : 134,499.85 = 57,177.31 : x - Step 2: Convert to fraction form
97,462.86/134,499.85 = 57,177.31/x - Step 3: Cross multiply
97,462.86x = 134,499.85 × 57,177.31 - Step 4: Simplify right side
97,462.86x = 7,690,339,618.40 - Step 5: Solve for x
x = 7,690,339,618.40/97,462.86 - Step 6: Final answer
x = 78,905.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.