Finding the Fourth Proportional to 133,267.80, 199,936.29 and 39,773.55
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Solution
The fourth proportional to 133,267.80, 199,936.29 and 39,773.55 is: 59,670.65
Step by Step Solution
- Step 1: Write the proportion equation
133,267.80 : 199,936.29 = 39,773.55 : x - Step 2: Convert to fraction form
133,267.80/199,936.29 = 39,773.55/x - Step 3: Cross multiply
133,267.80x = 199,936.29 × 39,773.55 - Step 4: Simplify right side
133,267.80x = 7,952,176,027.13 - Step 5: Solve for x
x = 7,952,176,027.13/133,267.80 - Step 6: Final answer
x = 59,670.65
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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.