Finding the Fourth Proportional to 405,408.34, 608,177.84 and 124,925.46
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Solution
The fourth proportional to 405,408.34, 608,177.84 and 124,925.46 is: 187,408.32
Step by Step Solution
- Step 1: Write the proportion equation
405,408.34 : 608,177.84 = 124,925.46 : x - Step 2: Convert to fraction form
405,408.34/608,177.84 = 124,925.46/x - Step 3: Cross multiply
405,408.34x = 608,177.84 × 124,925.46 - Step 4: Simplify right side
405,408.34x = 75,976,896,423.81 - Step 5: Solve for x
x = 75,976,896,423.81/405,408.34 - Step 6: Final answer
x = 187,408.32
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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.