Finding the Fourth Proportional to 114,567.99, 171,854.87 and 31,461.75
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Solution
The fourth proportional to 114,567.99, 171,854.87 and 31,461.75 is: 47,193.42
Step by Step Solution
- Step 1: Write the proportion equation
114,567.99 : 171,854.87 = 31,461.75 : x - Step 2: Convert to fraction form
114,567.99/171,854.87 = 31,461.75/x - Step 3: Cross multiply
114,567.99x = 171,854.87 × 31,461.75 - Step 4: Simplify right side
114,567.99x = 5,406,854,798.91 - Step 5: Solve for x
x = 5,406,854,798.91/114,567.99 - Step 6: Final answer
x = 47,193.42
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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.