Finding the Fourth Proportional to 399,854.95, 599,877.18 and 119,379.49
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Solution
The fourth proportional to 399,854.95, 599,877.18 and 119,379.49 is: 179,097.52
Step by Step Solution
- Step 1: Write the proportion equation
399,854.95 : 599,877.18 = 119,379.49 : x - Step 2: Convert to fraction form
399,854.95/599,877.18 = 119,379.49/x - Step 3: Cross multiply
399,854.95x = 599,877.18 × 119,379.49 - Step 4: Simplify right side
399,854.95x = 71,613,031,811.04 - Step 5: Solve for x
x = 71,613,031,811.04/399,854.95 - Step 6: Final answer
x = 179,097.52
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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.